How to use nucleus in a sentence

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Sentence Examples Carbon, for example, has a stable nucleus when its 6 protons are joined by 6 neutrons. Protons and neutrons sense each other via exchange particles with each other in the nucleus. If the nucleus of the an atom has too few neutrons to be stable, however, positron emission occurs. They focused on a tiny portion of the hypothalamus called the paraventricular nucleus. An atomic orbital is the region around the nucleus of an atom where an electron of a particular energy is most likely to be found. Neurosecretory paraventricular nucleus neurons are inhibited by glucocorticoid-dependent and independent mechanisms. The remainder of the protein components in these complexes is encoded in the nucleus. Beta emissions involve the loss of an electron from the nucleus as a beta particle during the conversion of a neutron into a proton. During this process the nucleus expels a negative beta particle as radiation. When a nucleus decays, through the emission of either an alpha or beta particle, the resulting new nucleus is often left in an excited state. The bevatron will strike far deeper into the atomic nucleus, where matter and energy lie closely twined together. However, we found that cells that are terminally differentiated and metabolically inactive often show no DNA signals in the nucleus at all. Alpha decay occurs when an atomic nucleus disintegrates by emitting alpha particles. Our genes are located on 46 paired structures, or chromosomes, in the cell nucleus. The cycles themselves are controlled mainly by a region within the brain's hypothalamus known as the suprachiasmatic nucleus. At the medullary level, the medial lemniscus is found dorsal to the pyramidal tract and medial to the olivary nucleus. Under high power unstained red blood cells appear as pale, homogeneous, biconcave discs with no nucleus. In particular, there are grounds for serious concern surrounding the technique of nucleus substitution. In a few organisms called prokaryotes, there is no defined nucleus and the DNA is found throughout the cell. A stimulant action on the parasympathetic portion of the oculomotor nucleus is responsible for pupillary miosis. Show More Sentences In the medulla, note the elongated gray olivary nucleus, with its slit-like hilus, directed dorsomedially. Dorsolateral to the pyramidal tract, the medial accessory olivary nucleus, which is not present at lower levels, has just appeared. Now water contains hydrogen atoms, and the nucleus of a hydrogen atom is a tiny magnet. Electrons produce a small magnetic field as they spin and orbit the nucleus of an atom. The eukarya are characterised by having their genetic material isolated in a membrane-bound nucleus. As it approaches the Sun, heat causes ices in the nucleus to sublimate, creating a cloud of gas and dust known as the coma. The eukaryotic chromatin must be highly organized to fit into the small volume of the nucleus. A nucleus with one green signal was considered monosomic for chromosome 8 and one with three hybridization signals as trisomic. In the late telephase the nucleus stained with iron haematoxylin takes a deep blue black color and frequently has a collapsed appearance. In the telencephalon, PRV-Ba-Gal and PRV-Ba labeled neurons were found in the amygdaloid nucleus. A nucleus with a neutron-to-proton ratio that is too large will be on the left side of the band of stability. When the Spanish landed in 1531, Peru's territory was the nucleus of the highly developed Inca civilization. Each basidiospore contains a recombinant haploid nucleus, the product of meiosis. The nucleus of the helium atom consists of four positive electrons with two negative electrons. The Golgi body may be scattered throughout the cell or may be generally localised at the place near the nucleus, in the shape of a cup. As the electron cloud and the nucleus are displaced, the electron cloud experiences a Coulomb force pulling it back toward the nucleus. The electron cloud is made of various standing waves which surround the nucleus, and they are not material. Electric interactions go right through matter, so the effect of the positive nucleus is not blocked by the surrounding electron cloud. The hyperkinesia is usually confined to one side of the body contralateral to a lesion in the subthalamic nucleus. He experimented with the artificial culture of pearls, by inserting grit to act as a nucleus around which the new pearl would form. Show More Sentences A proton, found in the nucleus of an atom, is composed of three quarks and is a hadron. The lander will return close-up pictures of the comet's nucleus, drill into the dark organic crust, and sample the primordial ices and gases. There must be chemicals and proteins in the cytoplasm of an unfertilized egg that cause a nucleus to revert to an earlier stage of development. In particular he showed that comets have a solid nucleus, and that they generate their own light. Twelve univalent chromosomes are visible in this diakinesis-stage nucleus, indicating an absence of chiasmata. As the energy levels in the excited hydrogen atom decrease, the electron returns to lower energy orbitals closer to the nucleus. Just as an excited atom can dispose of its excess energy by emitting x rays, an excited nucleus can emit gamma rays. Carried into the cell in this way, the DNA eventually detached from the nanorods and entered the nucleus. Behind the nucleus, a broad fan of impact ejecta, backlit by the Sun, spreads out into space. The nucleus of the lymphocyte becomes larger, stains less dark and acquires a one-sided indentation and an excentric position. In the lateral geniculate nucleus, as in the visual cortex, the neurons are arranged in layers. Thanks to a mindless nucleus of bovver boys, they are loathed the length and breadth of Europe, and often beyond. The amygdaloid nuclei project to ventromedial nucleus of the hypothalamus via the stria terminalis. If the positive charge of the nucleus equals the negative charge of the electrons, the atom as a whole carries no charge. An egg cell is enucleated, that is, the nucleus is removed and replaced with the nucleus from the body cell of an animal of the same kind. An electron in a lower energy level is both closer to the nucleus and has fewer electrons between itself and the nucleus. Even the protons and neutrons in the atomic nucleus are believed to made of even smaller particles called quarks. Hence an atom consisting of a nucleus and nine electrons would require thirty measurements. The smooth muscle portion of the esophagus is innervated by neurons within the dorsal motor nucleus of the vagus. The nucleus of the lightest element, hydrogen, consists of a single proton. Show More Sentences The short prodomains caspases induced cell apoptosis, which played an effector as a target protein of cytosol or nucleus. The nucleus reorganizes during this time, as sister chromosomes pair and the synaptonemal complex forms. The hippocampus has output to the mamillary bodies and onto the anterior nucleus of the thalamus. The observed linear behavior of the DNA extension with time was interpreted to mean growth proceeded from a single nucleus. The difference between eukaryotes and prokaryotes is that eukaryotes have a nucleus, while prokaryotes do not. The decay of neutrons into protons is essential for the existence of the element hydrogen, whose nucleus is a single proton. For example, the binding potential energy between the constituents of the nucleus contributes significantly to the mass of the nucleus. At the particle level binding energy is measured as the difference of the mass of the whole nucleus and the sum of the constituent parts. Solar neutrinos are produced when two protons fuse together to form a deuterium nucleus, a positron, and a neutrino. Mature red blood corpuscles are membrane bound and normally devoid of a nucleus, nucleolus, cell organelles, and inclusions. An alpha particle is a heavy nucleon, which is actually the nucleus of a helium atom. In 1911, the first dairy cows and other livestock arrived to become the nucleus of USDA's animal husbandry research activities. These fundamental particles arrange themselves in concentric shells in nuclei, much as the electrons are arranged in shells around the nucleus. As already stated, the placing of bets and payment of winnings form the nucleus of the gambling activity. When a nucleus ejects a beta particle, one of the neutrons in the nucleus is transformed into a proton. He built the famous Stone House at Ooty that formed the nucleus of Government offices and is now part of the Government Arts College. They all have no nucleus and survive in the highest atmosphere, the hottest volcanic vents, and everywhere in between. Christine Maggiore is the outspoken nucleus of a movement to help HIV-positive mothers who question medication. In the middle of these green acres, a modest cluster of white greenhouses make up the nucleus of daily activity. Research into the atom's nucleus has uncovered a variety of subatomic particles, including quarks and gluons. Show More Sentences It was a medieval library serving as the nucleus of a range of activities in the fields of art, religion, history and literature. These embryonic communities created an important nucleus for post-war migration, which was fuelled by economic factors. And at the moment there is not even the nucleus of a movement to achieve that. The protons and neutrons in the nucleus are made of elementary particles called quarks. His own drawings form the nucleus of an important collection of architectural drawings. The nucleus of the center is the Clement Greenberg Collection of painting and sculpture, which was recently accessioned en bloc. Every atomic nucleus consists of a certain number of protons, strongly bound to a certain number of neutrons. The spacecraft's point of view now captures the shadowed side of the comet's nucleus. Sometimes, the stresses are strong enough to break off chunks of the comet's nucleus. The word nucleus is a derivative of the Latin word nux, meaning nut or kernel. The cortex is made of micrite and is vaguely distinctive from the nucleus by a finely concentric lamination. I loved to hold its face close to mine in the dark and watch the scintillations produced every time a radium nucleus decayed. Some steroid hormones, such as glucocorticoids, bind to a cytoplasmic receptor protein that is then translocated into the nucleus. The newly-built quantum computer consists of seven qubits, each corresponding to one nucleus in a large molecule. The first three players on the books have the talent to form the nucleus of a premiership winning side. After 10 mitotic divisions, the tip of the hypha bends to form a crozier into which migrates one nucleus of each mating type. As they moved closer to the nucleus, the electrons would begin emitting their quanta of energy as light. The striatum is divided into two segments, the caudate putamen and the nucleus accumbens. These papers opened the way for others to apply quantum theory to the atomic nucleus. They found that in control subjects, larger caudate nucleus areas were associated with a worse performance on tests of attention. Show More Sentences These measurements were normalized to the diameter of the nucleus at the center focal plane. In this preparation the corpus callosum, caudate nucleus, and most brainstem structures have been removed. The irregular empty spaces between the putamen and the caudate nucleus were occupied by fiber bundles of the internal capsule. If a nucleus has too many protons for its number of neutrons, it will be radioactive. The annulus can be considered as a thickwalled pressure vessel containing the nucleus. The nucleus must be taken from the blastula and gastrula stages of frog embryos. The human stage amastigote is an obligate intracellular parasite, spherical, 2 to 5 g in diameter, and displays a nucleus and kinetoplast. The triploid endosperm nucleus is derived from the fusion of two polar nuclei from the female parent and one sperm nucleus from the male. The first stage, grain enlargement, involves early, rapid division of the zygote and triploid nucleus. They are located close to the median raphe, ventromedial to the hypoglossal nucleus. Before mitosis, the centrosome becomes duplicated and the daughter centrosomes move to opposite sides of the nucleus and form asters. Crucially, this also changes the frequency of the radio waves needed to flip the nucleus. These conduits permit the transfer of information both to and from the nucleus, and are vital to proper cell function. The mass number gives you the total number of protons and neutrons in the nucleus of that element. Angles had formed the nucleus of the kingdom of Deira, and some Norse immigration had occurred in the west from Lancashire and Westmorland. By carefully measuring the spin of the outer electron, he says, it will be possible to infer the spin of the nucleus. The inner and outer margins of the annulus were observed to bulge outwards but when the nucleus was removed the inner margins bulged inwards. Rosetta is the first probe ever designed to enter orbit around a comet's nucleus and release a lander onto its surface. The physics prize went to three Americans who've explained something of what goes on within the nucleus of atoms. As a result of the nucleon transformations, a new proton is left behind in the nucleus and the atomic number of the atom is raised by one. Show More Sentences Its atoms have a nucleus of two protons and two neutrons, orbited by two electrons. The zebrafish egg is about 0.7mm in diameter, with the cytoplasm and nucleus at the animal pole sitting upon a large mass of yolk. The annulate corpuscle of the spermatozoon is the metamorphosed nucleus of the cell from which the spermatozoon is developed. Livestock remains the nucleus of the event, with many animals already prizewinners from other top shows. They do not store vital dyes and, in the structure of their nucleus and the behavior of their protoplasm, resemble mesenchymal cells. Components of the lentiform nucleus are seen lateral to the posterior limb of the internal capsule. In the brain, stimulants stunt the growth of spiny neurons in the nucleus accumbens and pyramidal cells in the parietal cortex. The lentiform nucleus is present only on the left side of the illustration. During fission, a nucleus splits into two nuclei of less mass with greater stability. White blood cells or leucocytes are complete cells because they contain a nucleus and other vital organelles. In apoptosis, DNA is degraded into oligonucleotides with a few hundreds of basepairs that subsequently diffuse out of the nucleus. The bees raise the virgin queens until mature at which time the beekeeper transfers them into a small hive called a nucleus. The lower smudge of light is from the nucleus at the centre of the Andromeda galaxy. The sum of the atomic mass of the protons and neutrons determines the atomic mass or atomic weight of the nucleus. The haute couture collection bears the nucleus of the full blossoming of the brilliance that was the fall 2004 collection. After chains of beta decay, the decay product is a stable neutron-rich nucleus. Within the nucleus are chromosomes that contain DNA, or deoxyribonucleic acid, genetic material unique to each individual. A primary pathway for the uptake of mitochondrial sequences by the nucleus may be provided by autophagy of mitochondria in cellular vacuoles. Although the annulus contains the highpressure nucleus, it is able to withstand some axial compression directly itself. The cuneate fasciculus covers its nucleus and occupies the area immediately lateral to the gracile fasciculus. Show More Sentences The shape of the nucleus was visualized using a DNA counterstain in all experiments. Protons and neutrons are held together in a nucleus of an atom by the strong force. The region occupied by some atomic orbitals is spherical with the nucleus of the atom at the center of the sphere. The T. turgidum nucleus is incompatible with the T. longissimum cytoplasm, producing nonviable progeny. It is known that most, if not all, components of the replication machinery are coded in the nucleus. Beta radiation is the emission of an electron from the nucleus of a radioactive isotope. The nucleus accumbens is involved in motivation and reward, and the parietal cortex is important for sensory-motor function. Hence, the holding together of protons and neutrons in a nucleus can also be explained by the concept of binding energy and mass defect. Previous investigators have demonstrated that sulfonated aluminum phthalocyanine is primarily distributed outside the nucleus. There is a limit to the degree of influence that the number of neutrons has over the cohesion of the nucleus. The caudal medulla was exposed to insert a microinjection pipette into the XII nucleus. Moreover, the endosperm is formed due to the fusing of two polar nuclei cells with a sperm nucleus. The strong force is the one that is dominant in the atomic nucleus, acting between the quarks inside the proton and the neutron. A classical physicist would have supposed that electrons encircling a nucleus could do so in orbits whose radii could take any value. Scientists used to believe that electrons circled around the nucleus in planet-like orbits. Most beta decays involve the emission of electrons from the nucleus as a neutron decays into an electron and a proton. If the electrons were orbiting around a positive nucleus, what prevented them from gradually spiralling in towards the nucleus? The genetic foundation for sequestering ribosomes near the nucleus could have developed in amoeboid or heliozoan ancestors. Cranial CT and magnetic resonance imaging revealed a small metastasis in the right caudate nucleus. A well-defined bundle of nerve fibers occupies the furrow between the caudate nucleus and the thalamus. Show More Sentences The findings suggest that the hippocampal memory system sometimes interferes with learning in the caudate nucleus. The dark appearance of the caudate nucleus and putamen is attributable to their content of blood vessels and neuronal cell bodies. He split the atom, he demonstrated the shape of it with its nucleus and orbiting electrons. The internal capsule and corona radiata have been exposed by removal of the corpus callosum, caudate nucleus, and diencephalon. Close to the midline, the habenular nucleus is connected anteriorly to the stria medullaris thalami. Other structures seen in the roof of the temporal horn of the lateral ventricle are the tail of the caudate nucleus and the stria terminalis. After the ependyma covering its ventricular surface is stripped away, the elongated caudate nucleus is exposed. Iron has the most stable nucleus that can be generated by nuclear reactions of this type. On each side, the ventral aspect of the claustrum and the subdivisions of the lentiform nucleus are seen lateral to the optic tracts. Also, protons have a positive charge and the more there are the greater the strain on the nucleus due to the repulsion between them. The fibrillar collagens also change across the disc, with the nucleus containing only type II collagen while both types I and type II are found in the annulus. Later, Rutherford also discovered the atomic nucleus and the proton. In those cases in which the number of protons changes, the new nucleus has a different atomic number, and it therefore belongs to a different element. How can an electron be ejected from a nucleus during a Beta Wave decay? The diamond heist that is the nucleus of Reservoir Dogs is absent from the actual movie, existing only in reference, as a reflection in either past or future tense. 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. Rutherford knew that alpha particles, which readily pierced the atom's cloud of electrons, didn't have enough energy to penetrate and pry apart the nucleus. After the turn of the century, changes in the model of the atom led to an awareness of a relationship between the atomic mass and the number of particles in the nucleus. These microscopic organisms, typically 1-5 micrometres long, are distinguished by the absence of sub-cellular organelles, such as a nucleus, mitochondria, and chloroplasts. However, if we add one or more neutrons to a stable nucleus, or take neutrons away from it, the nucleus may become unstable and undergo radioactive decay. Show More Sentences The mRNA containing the amber codon then leaves the nucleus and travels to the ribosome where it serves as a template for translation of a specific protein. A beta particle is an electron that could make it just a little way into the skin, while an alpha particle is a charged helium nucleus that will bounce right off of you. Once a nucleus of the new phase exceeds a critical size, movement of constituents across the interfacial boundary commonly increases any one dimension at a constant rate. He noticed that some material scattered throughout the nucleus heavily absorbed the dye and coined the word chromatin to describe this dark, stainable substance. Even before the discovery of nuclear fission, theorists began thinking of an atomic nucleus as something more complicated than a bag of hard particles. Subsequent studies of the atom were divided into investigations of the electronic parts of the atom, atomic physics, and investigations of the nucleus itself, nuclear physics. Deuterium is an isotope of hydrogen containing a proton and neutron in its nucleus, while normal hydrogen has only a proton. In addition to being the center of religious training and worship, the church served as the nucleus of social activities and a conduit for the dispersion of social services. By the end of the 1850s a nucleus of business houses had been established. The Manchester centre is the nucleus of a hi-tech surveillance system and features an 18-metre monitor wall that can display up to 180 high-resolution images. It was happy to see the destruction of the Polish resistance movement, which had formed the nucleus of the support for the Polish government-in-exile. Electrons are found in clouds that surround the nucleus of an atom. During the prodromal phase, herpes zoster may be misdiagnosed as cardiac disease, pleurisy, a herniated nucleus pulposus or various gastrointestinal or gynecologic disorders. We analysed eye movements and neuronal firing in the abducens nucleus. For the nucleus of the movement, there remains a patience and steadfastness. The principal quantum number tells us how far from the nucleus a certain electron is, i.e. what level it occupies, the greater is n, the farther it is from the nucleus. This is the most general and primitive form of a complex of the nucleus with basal bodies and associated flagella, microtubular tissues and fibers. That smudge is the nucleus of another galaxy, at least as large as our own, and two hundred times farther from us than the Sagittarius star cloud. In this type of endosperm, which is the most common in cereals, development starts with several rounds of divisions of the triploid nucleus without cytokinesis. It is important to see the nucleus and the rod-shaped kinetoplast, a mitochondrial structure containing extranuclear DNA, to diagnose leishmaniasis. Show More Sentences To win you have to start winning and these very attractive candidates could help form a nucleus to rebuild the Party. To me, the nucleus of Peter Parker is him being left behind by his parents. Mitochondria are minute structures vital to energy production within a cell that contain genes that are located outside a cell's nucleus, home to most of the cell's genes. The red nucleus has been cleaned so that its larger, spherical mesencephalic part can be distinguished from the more rostral, ovoid diencephalic part. In contrast, the macronucleus serves as the somatic nucleus, divides amitotically, contains multiple copies of most genes, and is transcriptionally active. Before then, as soon as a positively charged nucleus tried to latch on to a negatively charged electron, the electron would have been knocked away by an energetic photon. This is the process in which a proton is converted into a neutron by the nucleus capturing a negative electron from one of the inner orbits of its atom. The putamen of the lentiform nucleus has been removed to expose the more medially situated globus pallidus, which is so named because it is paler than the putamen. Isotopes are atoms of the same element that have slightly different atomic masses due to the presence of differing numbers of neutrons in the nucleus. Today, only a scattering of cobblestones and a granary remain from the estate of a former Russian general, the nucleus of which formed the boundary of the camp. Patients with cervical radiculopathy present with cervical pain and neurologic deficits resulting from a herniated nucleus pulposus or an osteophyte. A cluster of nerve cells within the cord or brain is called a nucleus. They are uniform and polygonal with a bland, oval or round nucleus. This affects the growth, reproduction and division of cells and the communication of signals between the outside of the cell and the nucleus inside the cell. In truth, Bohr's atom, in which electrons orbit around a dense nucleus like planets around the sun, had already been largely envisaged by Rutherford. Immediately above the anterior perforated substance, the pear-shaped head of the caudate nucleus is confluent with the putamen of the lentiform nucleus. One becquerel means the disintegration of one nucleus per second. These compounds differ in the level of oxidation of the flavane nucleus and in the number and position of hydroxyl, methyl, and methoxyl substituents. William the Conqueror granted London a charter, confirming its previous privileges, but also began building the White Tower, nucleus of the Tower of London, as a strong point. And that is what it does, but because the proton has a positive charge and the neutron is neutral, the nucleus somehow has to get rid of a positive charge. Show More Sentences The nucleus of the female parasite moves to the surface where a small protuberance is formed and into this, penetrates the microgamete forming a zygote. Around each atomic nucleus, electrons occupy energy levels termed shells. 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. 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. The cell is 12 to 15 m in diameter and usually has a bilobed nucleus. This property allows the lambda to take up no space and to slide into the center of a nucleus, where its strong binding energy pulls the other nucleons closer together. Two rams and another iron warship were to form the nucleus of a Confederate fleet designed to sweep away the blockaders and challenge northern supremacy in American waters. Some day we could learn from the egg what factors are in the egg that would re-program the nucleus of a skin cell or a brain cell or an immune cell. The result would be a star made entirely of neutrons, and these could be packed together as closely as the protons and neutrons in an atomic nucleus. Their excentrically located, usually kidney-shaped nucleus, which is always darker than in the fibroblasts, is a secure criterion for their identification. Although a vague bulge appears behind the anterior olfactory nucleus, it is highly questionable if this should be considered to be homologous with the olfactory tubercle in macrosmatic mammals. If an electric field is applied to an atom, the electron cloud is displaced a distance relative to the nucleus which consists of positive charges. The structure of the atom is generally conceived to be that of a rigid nucleus composed of positive electrons, or of positive and negative electrons tightly bound together. Near to a nucleus an electron must experience a potential due primarily to that nucleus so that near to a nucleus a molecular orbital must closely resemble an atomic orbital of the appropriate atom. Nuclei above the band of stability tend to emit positrons or to incorporate an outer electron into the nucleus so as to move the product nucleus nearer to the band of stability. The remainder of the cytoplasm and the nucleus of these cells are restricted to a narrow zone between the central vacuole and the plasma membrane. DNA sequences on one chromosome find the corresponding DNA sequences on the homologous chromosome in the presence of the billions of base pairs of DNA in the cell nucleus. These left-over electrons are the ones farthest from the nucleus and because of this they will determine the chemical interactions of the atom with other atoms. A clump of nerve cells, known as the suprachiasmatic nucleus, regulates the brain's internal clock by measuring the amount of light the eyes register. Within mammals a region of the hypothalamus known as the suprachiasmatic nucleus acts as a central clock regulating rhythms throughout the rest of the body. Show More Sentences About half a century later, Robert Hofstadter won the 1961 Nobel Prize in physics for his work verifying that the radius of an atomic nucleus is about one fermi. If, for example, the interaction between two protons in a nucleus is studied, quite good results can be obtained by describing it as an exchange of pi-mesons. The electrons that were produced in the decays were found to be emitted preferentially in the opposite direction to the polarization of the nucleus. It will be the first spacecraft to orbit a comet's nucleus, allowing its instruments to follow the development of the active areas that eject the meteoritic dust into space. The structure of the annulus provides stability, and the elastic nature of the nucleus allows it to change shape to distribute forces equally along the cervical spine. Lateral to the internal capsule are the three parts of the lentiform nucleus, namely the internal and external parts of the globus pallidus and the putamen. Fibers of the optic and auditory radiations are interposed between the lentiform nucleus above and the temporal horn of the lateral ventricle below. A profusion of white fibers issuing from the ventral aspect of the dentate nucleus converge rostrally to form the main part of the superior cerebellar peduncle. If they are able to find sperm in a frozen mammoth carcass, they will try to take the nucleus from mammoth sperm and use it to fertilize an elephant egg in vitro. When an atom or ion is in its ground state, the electrons spend a lot more time close to the nucleus than they do when the atom is in an excited state. A nucleus can find itself in an excited state when, for example, it has just been created through the disintegration of another radioactive nucleus. The first hard evidence of the existence of fundamental particles came in 1897, when English physicist Joseph Thomson discovered electrons within an atomic nucleus. The annulus is a hollow cylinder which surrounds the nucleus. The disintegration of the nucleus produces one alpha particle. The biological kingdom Protista contains all those relatively simple organisms which consist of a single cell containing a nucleus and other internal structures. These believers express a desire for political authority, but only of the type supportive of pro-family social nucleus and traditionally-bound, regulated liberties. Thus, the probability of its breaking down does not increase with time, but stays constant no matter how long the nucleus has existed. Changes in the nucleus, ooplasm, and the surrounding layers characterize the oocyte maturation process. Chlorarachniophytes, which belong to the phylum Cercozoa, contain a small nucleomorph, which is a relict of the algae's nucleus. This system quantum proceeds to the end with the fusion of nucleus of spermatozoid and ovum and with formation of a zygote. Show More Sentences This detached force formed the nucleus of the British fleet that would fight at Trafalgar. The syllable nucleus is usually a vowel, in the form of a monophthong, diphthong, or triphthong, but sometimes is a syllabic consonant. It has been reported that at least some types of oxidative DNA damage are repaired more efficiently in mitochondria than they are in the nucleus. On 8 November 1873, Winnipeg was incorporated as a city, with the Selkirk settlement as its nucleus. The other problematic area is that of syllabic consonants, segments articulated as consonants but occupying the nucleus of a syllable. In languages like Nuxalk, it is difficult to know what the nucleus of a syllable is, or if all syllables even have nuclei. The dendrites of the pontine neurons are not as hodophobic as those of the inferior olivary nucleus. The result was the establishment of numerous monasteries, which would become the nucleus of Old High German literacy in the Carolingian Empire. The nucleus accumbens, ventral pallidum, and ventral tegmental areas of the basal ganglia use dopamine to signal reward. The role of inflammation in causation of symptoms from the herniated nucleus pulposus is well-established. This inhibition of the arcuate nucleus is an ongoing active suppression by other areas of the brain. Altered tonic activity of neurons in the globus pallidus and subthalamic nucleus in the primate in MPTP model of parkinsonism. Leptin levels rise throughout childhood and play a part in allowing the arcuate nucleus to resume operation. Axonal projections extend from this nucleus, innervating nearly every region throughout the encephalon, including the cerebellum. The atom, nucleus, electron, neutron and proton were all unveiled by Westerners. Upon view, the myocardial cells are observed to have large densely packed chromosomes within the nucleus. The latter feature indicates that a Portuguese consonant cannot constitute the nucleus of a syllable. The nucleus pulposus is a gelatinous material that acts as a cushion or shock absorber to the spinal column. Poxviruses are unique among DNA viruses in that they replicate in the cytoplasm of the cell rather than in the nucleus. When the colony fell, the company freed the first slaves and some others, establishing early on a nucleus of free negros. Show More Sentences The tie bar can be useful when it is not clear which letter represents the syllable nucleus, or when they have equal weight. A number of oogonia appeared along the follicular walls and had a round nucleus containing a nucleolus in its center. This condition is a result of absent subthalamic nucleus inhibition, which increases motor activity through the motor thalamus. One hierarchical model groups the syllable nucleus and coda into an intermediate level, the rime. The rime or rhyme of a syllable consists of a nucleus and an optional coda. However, the nucleus does not necessarily need to be a vowel in some languages. Just as the rime branches into the nucleus and coda, the nucleus and coda may each branch into multiple phonemes. The name is a metaphor, based on the nucleus or coda having lines that branch in a tree diagram. The onset is the consonant sound or sounds at the beginning of a syllable, occurring before the nucleus. Though, like the nucleus of rhotic English church, there is debate over whether these nuclei are consonants or vowels. The coda comprises the consonant sounds of a syllable that follow the nucleus. Some syllables consist only of a nucleus or an onset and a nucleus with no coda. Native stones are struvite, calcium phosphate or calcium carbonate in composition, have no nucleus and are of uniform structure. As with Canadian raising, the relative advancement of the raised nucleus is a regional indicator. The Presbyterian schools in particular later became the nucleus of the governmental system. The nucleus should not be queened by a queen from any of the parent colonies. By 1768 the core group of nine individuals who would form the nucleus of the Lunar Society had come together with Small at their heart. The nucleus pulposus and the fibers of the anulus fibrosus make up the intervertebral disc. For the other S1P species, the the mostly important is sphingosinokinase in the reticulum, inner membrane and nucleus, respectively. The archoplasm divides and forms a very large spindle which first lies tangential to the surface of the nucleus. Find more words! 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What is the opposite of nucleus? Words that rhyme with nucleus What is the plural of nucleus? What is the adverb for nucleus? What is the adjective for nucleus? What is the noun for nucleus? Translations for nucleus Use our Sentence Generator Nearby Words nucleous nucleotides nucleotide nucleosynthesis nucleosomes nucleosome nucleuses nuclide nuclides nuddy nude nudes 7-letter Words Starting With n nu nuc nucl nucle nucleu