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How to use nuclei in a sentence

Looking for sentences and phrases with the word nuclei? Here are some examples.

Sentence Examples

The astral microtubule arrays around the centrosomes, like the nuclei, are visible as areas that are largely devoid of yolk granules.
The tumor cells had elongated blunt-ended nuclei and acidophilic fibrillary cytoplasm.
The basic idea of quantum computing is to store data in the nuclei of atoms by altering their orientation, thereby producing a binary scheme.
They are formed by acentric chromosome fragments or whole chromosomes which are not incorporated into daughter nuclei during cell division.
Those theories unite the electromagnetic and weak forces with the strong force that holds atomic nuclei together.
Because of its weak interaction with atomic nuclei, the neutrino travels freely through any material object and is very difficult to observe.
They realized that the particles emitted by radioactive elements as they decay are in fact little bits of the atomic nuclei.
Early studies of radioactivity revealed that certain atomic nuclei were naturally radioactive.
Furthermore, the compound nuclei produced in cold-fusion reactions contain a relatively small number of neutrons.
For example, they hope to find some intact nuclei preserved in 20,000 year-old carcasses of woolly mammoths frozen in the permafrost in Siberia.
The neutron is a better hammer than the alpha particle for smashing nuclei.
Capturing neutrons causes the boron nuclei to break apart, resulting in the emission of alpha radiation and lithium nuclei.
However, the repeated elements are not abstract nuclei, but representational images, including ship propellers, inner tubes, boats.
The amygdaloid nuclei project to ventromedial nucleus of the hypothalamus via the stria terminalis.
For example, it is possible that the brainstem reticular formation is divided into the same number of nuclei in all jawed vertebrates.
Affective and motivational dimensions of pain were proposed as mediated by medial thalamic nuclei, the prefrontal cortex, and the limbic system.
We tested the role of desmin in initiating such pathways via direct visualization of muscle nuclei before and during mechanical loading.
Ordinary gas is made from atoms that consist of electrons orbiting around nuclei.
Finally, you build an atom smasher and physically knock helium nuclei from some heavy atoms.
Almost all lacunae included macrophages and degenerated cells with shrunken or condensed nuclei.
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The spinning protons in the hydrogen nuclei act like tiny magnets and align their spins with or against the magnetic field.
The usual position of skeletal muscle nuclei and the discovery of the sarcolemma is credited to Bowman.
In certain skeletal muscle fibers, namely the red or slow contracting muscle fibers, the nuclei may be found scattered throughout the sarcoplasm.
The tumor cells have round or oval nuclei that appear vesicular with margination of chromatin about the nuclear membrane.
Abnormal diploid, triploid and tetraploid nuclei with separated dual color signals were clearly distinguishable from normal nuclei.
Different isotopes of the same element have different mass numbers because their nuclei contain different numbers of neutrons.
The baryonic matter that makes up the nuclei of atoms seems to provide only a small fraction of the total mass in the Universe.
Most basidiomycete fungi do not undergo nuclear fusion to form diploid nuclei until just prior to meiosis.
The harmless radio waves excite protons that form the nuclei of hydrogen atoms in the body.
Since nuclei carry positive electrical charges, they normally repel one another.
The intact nuclei were incubated for 15 min after which they were gently pierced with two fire-polished glass micropipettes.
This interaction is also about 10 times weaker than the electromagnetic and is responsible for the beta decay of particles and nuclei.
In the same tissues binucleate cells and cells with multilobed nuclei occurred.
The complete set of chromosomes has been duplicated in triploid and tetraploid nuclei.
The triploid endosperm nucleus is derived from the fusion of two polar nuclei from the female parent and one sperm nucleus from the male.
At this stage the triploid endosperm nuclei are approximately the same size as the diploid nuclei of the pericarp and nucellus.
Some bipolar naked nuclei and rare single intact epithelial cells were seen.
Although many nuclei can be fused, this subject normally refers to fusion of hydrogen isotopes deuterium or tritium to form helium.
The trochlear nerve nuclei are located ventral to the mesencephalic aqueduct.
Slides containing F 2 worms were screened for the presence of worms with diakinesis nuclei exhibiting more than six chromatin masses.
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In contrast, the active medium in the mechanical laser is the intrinsic angular momenta of electrons and nuclei.
The cells were monomorphous with oval nuclei, but also showed elongated and spindled features.
The nuclei of these mononuclear cells are round to oval with ill-defined cytoplasmic margins.
Sieve tubes and sieve cells both lose their nuclei when they become functional as conduits for photosynthates.
Yolk syncytial nuclei originated from the deepest, open cells beneath the blastodisk.
Having found that cumulus cells yielded better results, unfertilised mouse eggs were enucleated and their donor's nuclei put in place.
The number of nuclei per embryo was counted from an image projected from the negative using a slide projector.
In addition, the slope differences highlighted differential effects of Coffea cytosol on both nuclei according to the particular Coffea tree.
Indeed, slow neutrons often find their way into nuclei more efficiently than fast ones, much as a slow cricket ball is easier to catch.
First, they contained variable proportions of transformed and untransformed nuclei because protoplasts are often plurinucleate.
When struck by neutrons, nuclei of neptunium and other nuclear materials can fission into two smaller nuclei.
These nuclei are believed to be in connection with a delicate sheath corresponding with the neurolemma of the medullated nerve fiber.
Some tumor cells contained intracytoplasmic vacuoles and eccentrically displaced nuclei, forming a signet ring cell appearance.
They'll also be searching for storms on Mars and Jupiter, monitoring active galactic nuclei, and measuring variable stars.
The vermis, running down the middle, connects with the right and left fastigial nuclei.
The chromatin was clumped, giving the nuclei a clear vesiculated appearance.
Others were highly vesiculated and contained discrete but degenerating organelles, such as nuclei and mitochondria.
Forebrain nuclei similar in structure and location have also been found in the budgerigar.
Most energy quickly collapses into a black hole, but some spews out in a flood of super hot neutrons and atomic nuclei.
The spiremes of the two nuclei become coarser and intermingle before any distinct chromosomes are visible.
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Whole cells were fixed and stained with DAPI to visualize nuclei and chromosomes.
Alpha particles from natural radioactive sources do not have enough energy to burst through the strong electrostatic barrier around big nuclei.
Nuclear reactions, like those conducted in Lawrence's particle accelerators, can convert stable nuclei into unstable ones.
As nuclear condensation occurs, these nuclei align at the apical end of the cyst.
The opposite process, nuclear fusion, where nuclei are joined together, also releases energy.
These early-formed needles often serve as nuclei for the stalactitic growth of other minerals, usually thomsonite or chabazite.
The cells were characterized by large vesicular nuclei with single large nucleoli.
The cells had round or oval vesicular nuclei with multiple prominent nucleoli.
Further, interphase nuclei appeared disintegrated and some mitotic figures were clumped together.
The cells possessed eosinophilic cytoplasm, well-defined cell borders, and vesicular nuclei with small, conspicuous nucleoli.
The pontocerebellar fibers connect pontine nuclei with the cerebellar cortex of the opposite side, via the middle cerebellar peduncles.
The term extrapyramidal system refers to the basal ganglia and several brain stem nuclei with which they are connected.
Another difficulty that must be resolved is the current uncertainty about the consistency of cometary nuclei.
Indeed, the outermost asteroids show similarities with the cometary nuclei observed far from the Sun.
He suggests that the excess tracks may be explained by the decay of short-lived fissioning nuclides, such as super-heavy nuclei.
The FB-MOs, mitochondria, and haploid nuclei all segregate into budding spermatids and eventually occupy most of the cytoplasmic space.
The nuclei were often elongated and cytologically bland with occasional stellate cells and loose myxoid background.
Terry and Diana Lee in Room 409 Diana took the video, and Terry found the two stentors with multiple nuclei.
As the universe expanded the nuclei captured electrons to form a cool gas of neutral atoms.
The nuclei of heavy isotopes are rich in neutrons, which dominate their nuclear surface.
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This is followed by ophitic or poikilitic crystallization of pyroxene and ilmenite about scarce nuclei, produced at lower temperatures.
A limited amount of producer cells was overlaid with an excess of indicator HeLa cells, characterized by uncolored nuclei.
The half-life of radioactive matter is the time before half of any given amount of nuclei will break down through alpha decay.
When this occurs, the cytoplasm from the two cells fuses, but the nuclei remain separate and distinct.
The neoplastic epithelial cells were cuboidal and had round or oval nuclei and inconspicuous nucleoli.
Quantum chromodynamics is the theory of the strong interaction that binds protons and neutrons together to form atomic nuclei.
Arp's evidence for galaxy formation by ejection of quasars from the centres of active galactic nuclei is extremely compelling.
When neutrinos passing through the heavy water interact with deuterium nuclei, flashes of light, called Cerenkov radiation, are emitted.
During a nuclear chain reaction, many billions of uranium nuclei may fission in less than a second.
This antibody labels the nuclei of the male embryos, revealing a single subnuclear spot that corresponds to the X chromosome.
Without them the positive charges of nuclei would repel each other, and the world would be a much simpler place.
Using the ingredients from those calculations we calculate also exclusive electroproduction of charmonia off nuclei.
Because of strong electrostatic repulsion, some of these superheavy nuclei may have extremely short lifetimes.
The total number of syncytia in one well and the number of nuclei in each syncytia were determined.
Amygdaloid nuclei and the hypothalamic structures are known to have intimate functional relationships.
Because of the fragmentation of nuclei and the disruption of cellular membranes, coarse granular particles are formed.
One characteristic feature of the majority of syncytia and coenocytes is that their nuclei are regularly spaced within the cytoplasm.
The mycelia are large coenocytes with many nuclei and can therefore be heterokaryotic.
The most easily attained fusion reaction involves fusing nuclei of the two isotopes of hydrogen, deuterium and tritium, to make nuclei of helium.
The differentiated epidermal cells toward the base of the petal are large and elongated, having extremely large nuclei.
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The posterior thalamic or pulvinar nuclei project backwards over the superior colliculi of the midbrain.
The bone marrow was replaced by an infiltrate of blast cells with medium-sized nuclei, multiple nucleoli, and moderate amounts of cytoplasm.
Both of these nuclei may individually exert inhibitory influence on ingestive behaviour.
Among the remainder were embryos that arrested at various stages of development with many having an inhomogeneous density of nuclei.
Melatonin is produced and secreted by the pineal gland, whose activity is regulated by the suprachiasmatic nuclei.
An electrode is inserted into the brain to stimulate either the thalamic nuclei or the subthalamic nuclei.
The tumor cells had slightly eosinophilic cytoplasm and pleomorphic nuclei with prominent nucleoli.
During fission, a nucleus splits into two nuclei of less mass with greater stability.
The slower they move, the more efficient they are at ionizing atoms in their path and the more likely they are to interact with atomic nuclei.
Moreover, the endosperm is formed due to the fusing of two polar nuclei cells with a sperm nucleus.
Angiosperm seeds are comprised of an embryo and endosperm resulting from double fertilization of the egg cell and two polar nuclei, respectively.
Electron microscopy revealed polygonal tumor cells with round nuclei having slightly irregular contours and prominent nucleoli.
The grain is empty because the body cell and prothallial nuclei have moved out along the pollen tube towards the archegonia.
The epithelial component showed tubules and cords of cuboidal cells with pink cytoplasm and small oval nuclei.
The nuclei of the hydrogen isotopes are the proton, the deuteron, and the triton.
Most cells were polygonal and mononuclear in form with ovoid nuclei, occasionally showing clefting.
Formation of polyploid nuclei as a consequence of failure of chromosome segregation in the presence of ICRF-193 was also reported in HeLa cells.
Weak png mutations permit several transient S-M cycles to occur, producing embryos with a characteristic phenotype of multiple polyploid nuclei.
The nuclei in the penultimate cell undergo a final round of premeiotic replication and then fuse, whereas the basal nuclei enter a new crozier.
Each of these nuclei soon gathers a cultus, with the neighbourhood devising elaborate festivities and observances around it.
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The fuel rod becomes very hot because of the cumulative energy of many fissioning nuclei.
These fundamental particles arrange themselves in concentric shells in nuclei, much as the electrons are arranged in shells around the nucleus.
Gravity then squeezes them further, and the centers get still hotter, until the helium nuclei fuse into the nuclei of heavier atoms.
These observations indicate that the MTOCs of the two haploid nuclei failed to fuse, remaining as microtubule nucleating centers.
The tumor cells were uniform and had a cylindroid shape, with round or oval nuclei.
Measurements of stained nuclei occur in the cytophotometer, a device consisting of a microscope, a photometer, and an integrator.
The results of fluorescence cytophotometry showed that cells containing tetraploid nuclei gradually increased in number.
More solid areas of the tumor were composed of cells with round nuclei and scant cytoplasm.
The columnar cells had abundant cytoplasm, basally located nuclei, and no mitoses.
The less mature neurons had abundant pink cytoplasm with central to slightly eccentric nuclei and conspicuous nucleoli.
The foam cells were oval to polygonal with a moderate amount of cytoplasm and central to eccentric small nuclei.
By measuring the relative velocity of backscattered gamma particles, they reveal the chemical environment of Fe nuclei in the rock.
The atoms then undergo nuclear fission, producing daughter nuclei and more neutrons.
Each haploid cell undergoes a mitotic division to produce the generative and vegetative nuclei.
One of its nuclei receives input from the globus pallidus and sends fibers to the motor cortex.
Overall, atoms are neutral and the number of protons in their nuclei equals the number of electrons.
The matter was composed primarily of an ionized gas of electrons, protons, and helium nuclei.
Gamma rays are electromagnetic radiation originating in the atomic nuclei, physically identical to x-rays.
Some of the complex nuclei then either spit out or absorb the odd proton, making nuclei of other elements.
They speculated that the nuclei of the ice ball could have been lingering jet contrails that then descended through a nearly saturated atmosphere.
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Not until the ambient temperature in the expanding universe had cooled from trillions down to about 3,000 degrees Kelvin did the nuclei capture electrons.
At cellular blastoderm most of the EAR protein is associated with cells at the periphery, while some protein is still associated with yolk nuclei.
Fast neutrons lose energy in the tumour via interactions with nuclei, rather than ionization, which causes cell damage that the body cannot repair.
A few cells have numerous tiny blebs on the cell membrane and orange nuclei colored with EtBr, which indicates some disturbance of the plasma membrane permeability.
Carbon speeds the fusing of hydrogen nuclei into helium in the carbon cycle, so these stars burn faster and more brightly than do other hydrogen-burning stars.
Each box plot presents measurements from at least 90 nuclei.
By immunocytochemistry JC viral antigen can be demonstrated both in the oligodendroglial nuclei and astrocytic cytoplasm, extending along the processes.
Violent events such as stellar flares, supernovae and the explosion of galactic nuclei produce a concoction of subatomic particles, primarily protons and electrons.
In all four cases the embryos produced by mutant females had a small number of apparently polyploid nuclei rather than the normal, large number of diploid syncytial nuclei.
The resulting 11 new stem cell lines matched the nuclear DNA and showed immunological compatibility with cells from the people donating the nuclei.
This radioactive isotope is created when energetic particles in cosmic rays enter the Earth's atmosphere and split atomic nuclei of nitrogen and oxygen.
Micronuclei can arise from acentric chromosome fragments or whole chromosomes that have not been incorporated in the main nuclei at cell division.
The background showed mild cytolysis with only occasional monotonous round cells that showed hyperchromatic nuclei with a delicate chromatin pattern and foamy cytoplasm.
It studies the structure of nuclei, and their reactions and interactions.
For technical reasons, it is easier to do that test at RHIC by colliding deuterons accelerated in one of the collider's two rings with heavy nuclei in the other ring.
However, to a low extent, viable spores can also be recovered from a very small population of homozygous diploid nuclei in an otherwise haploid plasmodium.
In order to fuse two hydrogen nuclei together, though, we must force another proton into the hydrogen atom within a distance of 1 fermi from the atom's proton.
The botanist, who studied the phenomenon of the caducity of blossom and young nuclei in plum trees, distinguishes three stages of this falling off of the nuclei.
A legacy of these ancient symbiotic interactions is that eukaryotic cells continue to show tight links between nuclei, centrosomes and microtubules in the form of Cell Bodies.
The particular form of apomixis involves the development of a 2n embryo sac followed by fertilization of the central nuclei to form the endosperm.
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He maintains clarity of form in the very nuclei of his compositions, namely the melodies that he derives from folk songs and dances, and transfers this to a larger scale.
In this model, nuclei are pictured as loose aggregates of nucleons each of which, according to the quark model, has three quarks locked inside it.
The expression of the lordosis posture is under tonic inhibition by brain nuclei whose activity is suppressed by steroid hormones from the preovulatory follicles.
Most atomic nuclei consist of clusters of protons and neutrons.
The electromagnetic force holds electrons in orbit around atomic nuclei and is thus responsible for holding together all material with which we are familiar.
Nuclear fusion is sort of the Holy Grail of energy production, whereby atomic nuclei slam together at high temperatures, fuse and release a great deal of energy.
Following another incubation, and after filtration through nylon gauze, the highly fluorescent nuclei were analyzed with an impulse cytophotometer.
They aimed beams of heavy ions at targets of selected elements to produce nuclei with 75 neutrons and 55, 57, 59, and 61 protons in a wide variety of spin states.
Eventually, the dikaryon forms sexual sporangia in which the nuclei fuse into one, which then undergoes meiosis to form haploid spores, and the cycle is repeated.
In contrast to ciliates, Opalina combined large cell size and the need for fast growth by evolving numerous genetically equivalent nuclei per cell.
Axons travel from the neurons located in nuclei within the brain stem via the cranial nerves without synaptic interruption to the motor end plates on the striated muscle.
Second, the resolution of the mitoses was abnormal and led to the presence of chromosome bridges during anaphase or telophase and some nuclei became desynchronized.
The cone focused the laser energy, causing the plasma to be heated and fusion reactions to occur in the compressed plasma between some of its deuterium nuclei.
Selection for economy means that smaller cells must have smaller nuclei.
These effects are produced by fibres projecting from the hypothalamus to parasympathetic nuclei in the brain stem, and to sympathetic centres in the spinal cord.
The preoptic nucleus is homologous to the mammalian supraoptic and paraventricular nuclei, and contains one of the largest collections of CRH neurons in the amphibian brain.
In B. ipanemense, B. involutum and B. weddellii the papillose epidermal cells were densely stained, with basal nuclei and many droplets, as well as amyloplasts.
If they can be, usually it is because of radiation in the form of gamma rays, emitted by deformed nuclei as they revert to their normal shapes and lowest energy ground states.
Most globular pro-embryos were located at the micropylar end between the central cell with unfused neighboring polar nuclei and intact synergid cells.
The large dentate nuclei are deeply fissured and subdivided into toothlike agglomerations of gray matter, the longest ones being near the middle of each nucleus.
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It's not until you get into the elements heavier than lead that you find nuclei whose binding energy per nucleon is low enough that the fission fragments could tunnel apart.
The singlet oxygen damages cell membranes, mitochondria and cell nuclei.
The central processes of bipolar neurons constitute the auditory component of the eighth cranial nerve, which projects centrally to the cochlear nuclei.
After meiosis, the four meiotic products undergo an additional mitotic division to yield eight haploid nuclei, which differentiate into an octad of eight ascospores.
Within 30 minutes, epidermal cells at the edge of the wound re-oriented and began to fuse, creating a syncytium, or cell with many nuclei, around the puncture.
The carcinoma consisted of nests of tumor composed of a relatively monomorphic cell population with round nuclei, evenly distributed chromatin, and scanty cytoplasm.
In Saccharomyces cerevisiae, migration of the mother cell nucleus to the bud neck before mitosis ensures that the daughter cell will contain one of the two sister nuclei.
This abnormal persistence of cell nuclei in the superficial epithelial layers may represent incomplete squamous differentiation.
Hence, elements heavier than iron require a supernova for their formation, involving rapid neutron capture by starting 56Fe nuclei.
The pleomorphic nuclei were apparently variable in shape, from small round hyperchromatic to very large vesicular forms.
Cytologically, melanocytic nuclei are hyperchromatic, with variation in their size and shape from round to oval.
The ghost cells contained abundant eosinophilic cytoplasm with and without small hyperchromatic nuclei.
The cells of the tumor display a basaloid appearance with angulated, hyperchromatic nuclei and scant, clear to eosinophilic cytoplasm.
These are so named because the cancer cells are large, with excess cytoplasm, large nuclei and conspicuous nucleoli.
These uniform tumor cells had a little cytoplasm and ovoid or round basophilic nuclei, with clearly distinct cytoplasmic membranes.
Pick bodies were also present in temporal and parietal cortex, caudate and putamen, substantia nigra, locus coeruleus, and pontine nuclei.
As Krakiwsky explains, the weak magnetism produced by certain atomic nuclei is called nuclear paramagnetism.
The growth was noted to be forming cords and islets within the desmoplastic stroma, with hyperchromic, large nuclei and prominent nucleoli.
Many atypical large lymphocytes with slightly convoluted nuclei containing prominent nucleoli and copious nongranular cytoplasm were present.
The nuclei are small, pyknotic, and dark blue, and the cytoplasm is large and light blue.
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Apoptotic keratinocytes with condensed eosinophilic cytoplasm, with or without pyknotic nuclei, are also appreciated.
With bazillions of snowflakes crystalizing over dust specks and falling to Earth, why don't the clouds run out of nuclei?
This mouse myoblast cell already has two nuclei, but they are preparing for another round of division.
Occasionally, as in the purple slates of North Wales, ferrous reduction spheres form around iron nuclei, leaving a light green spotted texture.
Microscopically, there are sheets and fascicles of spindle cells with elongated, blunted nuclei.
The cytological features reported were hyperchromasia in the nuclei, pleomorphism and mitoses.
Moreover, they exhibited irregularly-shaped nuclei, irregular distribution of cytoplasmic organelles and vacuolation.
Transport characteristics of expiratory droplets and droplet nuclei in indoor environments with different ventilation airflow patterns.
For each atomic isotope, these beta particles emerge from nuclei with a characteristic distribution, or spectrum, of energies.
Other objects commonly observed in ultraviolet light include planetary nebulae, supernova remnants, and active galactic nuclei.
Testicular dysgenesis affecting the seminiferous tubules principally, with chromatin-positive nuclei.
Histopathologic analysis identified a few chondrocytes embedded in an abundant myxoid matrix and heteromorphic nuclei.
The flocculonodular lobe, or the vestibulocerebellum, is associated with vestibular and reticular nuclei.
In particular, active galactic nuclei and quasars are believed to be the accretion discs of supermassive black holes.
In monocytic tumors, the neoplastic cells lacked cytoplasmic granules and had either oval or reniform nuclei.
Also, it was observed a greater number of nuclei corresponding to fibroblasts and Schwann cells.
The disease is characterized by the infiltration of neoplastic cells with enlarged nuclei and high nuclear-to-cytoplasmic volume ratios.
There exist two different spin isomers of hydrogen diatomic molecules that differ by the relative spin of their nuclei.
The neothalamus contains the largest division of nuclei in the brain and is larger in animals with a well-developed cortex.
When the neutron flux subsides, these nuclei beta decay into stable isotopes of osmium, iridium, and platinum.
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However, early prophasic nuclei I from male specimens exhibited a strongly stained nucleolus.
A biopsy sample taken from the prostate featured cells with hyperchromatic nuclei, abundant cytoplasm, and minimal nuclear pleomorphism.
In addition to their disproportionately large genomes, dinoflagellate nuclei are unique in their morphology, regulation, and composition.
In contrast, animals receiving SAC did not show pyknotic nuclei, while neuropil was notably preserved.
This constant probability may vary greatly between different types of nuclei, leading to the many different observed decay rates.
Lesional cells showed elongated nuclei with dispersed euchromatin and marginated heterochromatin.
In several liver cells, nuclei were enlarged, with marginating chromatin and with centrally containing basophilic inclusion bodies.
All nuclei containing odd numbers of nucleons have an intrinsic magnetic moment and angular momentum.
The suprachiasmatic nuclei of the hypothalamus have also been shown to be an important component of the circadian system of house sparrows.
An experimental advantage of this organization is the ability to analyze groups of nuclei by sectioning the brain along the longitudinal axis.
The diploid nuclei of blastospores can undergo meiosis, including recombination, to form haploid basidiospores that can be dispersed.
Water vapour normally begins to condense on condensation nuclei such as dust, ice, and salt in order to form clouds.
Sulfate aerosols act as cloud condensation nuclei and thus lead to clouds that have more and smaller cloud droplets.
In languages like Nuxalk, it is difficult to know what the nucleus of a syllable is, or if all syllables even have nuclei.
Nuclear fusion is a process whereby atomic nuclei melt together and release energy.
Interestingly, BFDV antigens were detected in the nuclei and cytoplasm of such apoptotic cells.
Nonneoplastic MCs have round to ovoid nuclei, abundant metachromatic or basophilic granules, and are generally individually dispersed in tissue.
Over a third of the ice nuclei generated contained lead, suggesting it is a highly-efficient nucleator.
Micronuclei are chromosomes or chromosomal fragments that fail to incorporate into either of the two daughter nuclei after karyokinesis.
The nuclei are round and located at the base of the cell and show either no nucleoli or only a small distinct nucleolus.
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Unmatter entities inside nuclei, predicted by the Brightsen nucleon cluster model.
The use of acetoorcein-stained squash preparations for enumeration of nuclei in microfilariae of various filarial parasites.
At a distance of only 13 million light-years, the Circinus Galaxy contains one of the closest and brightest active galactic nuclei.
Longitudinal sections show that the melted material recrystallizes on the fibers as nuclei.
The real situation is slightly more complicated since we must symmetrize the asymptotic basis with respect to exchange of t he identical nuclei.
Diagnosis of bovine freemartinism by fluorescence in situ hybridization on interphase nuclei using a bovine Y chromosome-specific DNA probe.
The CALET project, by visualizing atomic nuclei and elementary particles, aims to observe high-energy cosmic rays in space for the first time.
The central auditory pathway consists of a complex network of neurons and nuclei that connect the cochlea to the auditory cortex.
Thalamotomy in the ventrolateral and ventral intermediate nuclei proved to be effective against Parkinsonian tremor with bilateral lesions.
It is the first synthetic chromosome ever assembled based on a eukaryotic organism, which stores DNA in nuclei.
Thermal neutrons emitted from a radioactive substance interact with the nuclei of boron atoms within boron nitride.
A wide variety of objects are observable at radio wavelengths, including supernovae, interstellar gas, pulsars, and active galactic nuclei.
Without it, YAP1 moves into the cell nuclei and activates genes whose products trigger tumorigenesis and cell proliferation.
Though, like the nucleus of rhotic English church, there is debate over whether these nuclei are consonants or vowels.
Researchers had previously thought that when muscles atrophy, the extra cell nuclei are killed by a cell death program called apoptosis.
The idea is to create embryo clones for use in medical research by adding human cell nuclei to rabbit eggs.
This included even more detailed tissue, down to preserved bone cells that seem even to have visible remnants of nuclei and what seem to be red blood cells.
The city grew from several nuclei, the abbeys and a commercial centre.
The basal layer is focally palisaded, with hyperchromatic nuclei.
The observations, reported online September 27 in Science, may help explain how some active galactic nuclei launch powerful plasma jets thousands of light-years into space.
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Johnson, whose field of study is active galactic nuclei, hopes to create an environment for prospective scientists that is every bit as stimulating as his own.
It tells us more about the powerful ionized winds that allow supermassive black holes in the nuclei of active galaxies to expel large amounts of matter.
These two fascicles ascend ipsilaterally and terminate in the same nuclei.
Fower intensity was observed especially below the glia limitans and in the neostriatum, and perineuronally in mesencephalic, cerebellar, and medulla oblongata nuclei.
The nuclei were round and many were indented, and they featured both prominent nucleoli and small amounts of peripherally located heterochromatin.
Few secondary spermatocytes with karyolytic nuclei can be seen.
Distinct basophilic inclusions were seen in frontal, motor, and parietal cortex, red nucleus, hypoglossal nucleus, pontine nuclei, and superior colliculus.
The nuclei are typically polarized away from the basement membrane, creating a characteristic subnuclear vacuole similar to that seen in secretory endometrium.
Tetrad patterns, determined according to position of post-meiotic nuclei, vary from tetrahedral, rhomboidal, t-shaped and rarely even linear tetrads.
There is frequent incomplete cleavage of the heads of the caudate nuclei and thalami, but the hypothalamus and lentiform nuclei are well-separated.
In the stroma surrounding the nests, the tumor itself seemed to form some ductlike structures, lined by columnar epithelium with basally located nuclei.
Continuous stimulation with EPO triggers the differentiation of colony-forming unit-erythroid cells into erythroblasts, which lose their nuclei to form reticulocytes.
The epithelioid cells had round to oval vesicular nuclei, with 1 or more small eosinophilic nucleoli, and spindled cells had hyperchromatic nuclei and small nucleoli.
In any solution, gas nuclei can be deactivated by the application of large hydrostatic pressures. The process of crushing is also termed denucleation.
Nucleus of microspores then undergoes mitosis and resulted to form two unequal nuclei, a large vegetative and small generative one thus to form binucleate pollens.
Histologic examination revealed discohesive, round to oval cells with a moderate amount of cytoplasm, and single nuclei focally binucleated with a single prominent nucleolus.
The individual cells were round to polygonal with abundant eosinophilic cytoplasm and round to oval nuclei with diffuse to marginated chromatin and faint chromocen ters.
Nuclear magnetic resonance is a technique which exploits the magnetic properties of nuclei of certain atoms, such as hydrogen, containing odd numbers of protons or neutrons.
The cells have ovoid, vesicular nuclei, finely granular and evenly distributed chromatin, small nucleoli and abundant cytoplasm with vacuolization at places.
Fusiform cells had large, oval-shaped nuclei with a small amount of nucleoplasm and two dentritic extensions, whereas the mast cells had round, central nuclei.
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Cresyl violet staining was used to demonstrate the nissl substance in the neurons and cell nuclei and was used, in this case, to identify neurons.
Artificial ones are recent, but natural ones include nuclei, mitochondria, mitotic bundles, the pores of channel protein, and other structures inside living cells.
But the Lazarus Project team has been able to recover cell nuclei from tissues collected in the 1970s and kept for 40 years in a conventional deep freezer.
Tables in the appendix list the DNA content of chordate cell nuclei, the RNA and DNA content of vertebrate cell nuclei, and other quantitative data.
Cells treated with crocin exhibited wide cytoplasmic vacuole-like areas, reduced cytoplasm, cell shrinkage and pyknotic nuclei, suggesting apoptosis induction.
Low-risk PAM with atypia is composed of melanocytes with scant cytoplasm, high nuclear to cytoplasmic ratio, and hyperchromatic nuclei lacking nucleoli.
Transmission electron microscopy of thin sections of the liver revealed icosahedral virions in paracrystalline arrays within the nuclei of affected hepatocytes.
Muscle biopsy from the right deltoid muscle showed angulated fibers, increased number of central nuclei, type I fiber predominance, and type II fiber atrophy.
Chimerism could also be caused by fusion of the polar body and an ovum, double fertilization, fusion of two nuclei or as a result of hidden mosaicism with a Y cell line.
The process continues with eventual formation of pyknotic nuclei.
Microscopy revealed that the unencapsulated, circumscribed tumor was made up of interlacing bundles of spindle cells with hyperchromatic, serpentine nuclei.
Adventitial cellularity consisted primarily of mononuclear cells with elongate nuclei concentrically arranged around the media and embedded in the fibrillary matrix.
Immunoreaction took place mostly in neuronal soma, but not in nuclei.
These nuclei stick closer to the oxygen nuclei within the heavy water molecule, and an oxygen atom from a nearby heavy water molecule exerts a weaker pull.
The high-grade nuclei in SNUC cells are relatively uniform, unlike those in nasopharyngeal carcinoma, which show a high degree of internuclear variability.
Femtomachines built from exotic nuclei had been employed as special-purpose computers ever since the basic design had been developed, six thousand years before.
The nuclei are enlarged, variedly shaped, and hyperchromatic.
Like other precipitation, hail forms in storm clouds when supercooled water droplets freeze on contact with condensation nuclei, such as dust or dirt.
Dinoflagellate nuclei remain condensed throughout interphase rather than just during mitosis, which is closed and involves a uniquely extranuclear mitotic spindle.
A material containing such unstable nuclei is considered radioactive.

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