How to use stroma in a sentence

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Sentence Examples The deeper regions of the tumor showed hypocellularity and had an abundance of loose edematous stroma. The outer trophoblast cells of the released blastocyst begin to invade the epithelium, burrowing into the underlying endometrial stroma. The bland fibrous stroma is infiltrated by mature lymphocytes and plasma cells. The stroma consists of fatty tissue and ligaments surrounding the ducts and lobules, blood vessels and lymphatic vessels. The hemorrhoidectomy specimens showed a stroma of connective tissue containing many blood vessels, and interwoven bundles of smooth muscle. The stroma of the papillary fronds consisted of loose fibrous tissue with abundant, thin-walled, congested blood vessels. The cell islands were further demarcated from the surrounding stroma by reticulin condensation around groups of cells. The ovary consists of a cortical zone composed of a specialized stroma, which contains follicles with ova. Transport proteins in the inner plastid envelope membrane connect the metabolism of plastid stroma and surrounding cytoplasm. The stroma itself was myxomatous with numerous calciferous bodies and occasional ganglion cells in clusters. It was suggested above that one proton was released in the chloroplast stroma for every three oxygen molecules fixed during photorespiration. These lesions were characterized by a monomorphous pattern of slender, elongated spindle cells in a sclerotic stroma. The progenitors of osteoclasts are from the hematopoietic cell line and the osteoblasts originate from the marrow stroma. Chloroplast envelopes, stacked grana and unstacked stroma thylakoids were well-defined. Once inside the stroma, the transit sequence is cleaved off by the stromal processing peptidase. Histologically, thick collagen bundles were seen, characteristically whorling around vessels in a fibrotic stroma. Osteoid osteoma is a benign tumor containing osteoid in a stroma of loose vascular connective tissue. Microscopic examination revealed nests and cords of clear cells separated by a fibrous and acellular mucoid stroma. The lining epithelium was often eroded, and the underlying stroma showed dense infiltration by inflammatory cells. The stroma is most commonly scant but may be prominent and can occasionally be fibromatous, edematous, or myxoid. Show More Sentences One suggestion is the idea that sulphate and phosphate influxes into the stroma of the plastid are linked. Granules of different sizes were noted in the chloroplast stroma in all treatments. Thylakoids of grana stacks are mostly abundant in PSII complexes, while PSI complexes are predominant in stroma lamellae. The relative amount of stroma thylakoids is also increased, while the portion of grana thylakoids is lowered. The surrounding stroma was infiltrated by plasma cells and scattered aggregates of lymphocytes, forming follicles with germinal centres. Chordoma also presents with intensely metachromatic myxoid stroma, and the tumor cells may be single or arranged in cords. This latter consisted of a few membranes irregularly distributed in the stroma or tightly pressed to form very electron-dense stacks. This condition is due to haemorrhages into the stroma of the iris, the fluid part of the blood transuding into the anterior chamber. Typical plaques showed proliferation of myofibroblastic cells with myxoid stroma. The endometrial stroma has a framework consisting of reticular fibers and stromal cells. Amyloid in the stroma of tumors has been described by Askanazy. Uteri of treated monkeys had proliferative endometria with no decidual changes in the stroma. Histologically, the lesion was made up of a fibrillar connective tissue stroma with oval and spindle-shaped mononuclear cells and small capillaries. Lymphocytes and granular leucocytes are also found in the stroma. The cross section of the cervical tissue containing both the epithelium and stroma was exposed by shaving off layers of the embedding medium and tissue using a cryostat. The mammary epithelium is enveloped by a basement membrane and embedded into fatty connective tissue stroma. Loose connective tissue stroma predominated in the less cellular areas. The results indicate that the stroma contains some rather fragile enzymes. There is no cellular or architectural atypia of the lobules or stroma. There is characteristically a dense sparsely cellular fibrous stroma. Show More Sentences During in vivo measurements, excitation light is incident upon the epithelium, and must travel through this tissue layer before reaching the stroma. A few times, dots are observed in the stroma of the amyloplasts. Grana are connected by stromal lamellae, extensions that run from one granum, through the stroma, into a neighbouring granum. That is important information because, hitherto, pathologists have focused on the cancer cells themselves and ignored the stroma. The cornea itself is composed of multiple layers, including a surface epithelium, a central, thicker stroma, and an inner endothelium. Endosalpingiosis first described by Sampson19 in 1927, is the presence of ectopic fallopian tube-like ciliated epithelium without stroma. Histopathology demonstrated glands that were neither crowded nor complex, with intervening fibromatous stroma that contained occasional endometrial stromal cells. The cortical components are embedded in a supportive framework of connective, vascular, and neural tissue constituting the stroma. It is defined histologically as the presence of endometrial glands and stroma deep within the myometrium. Tumours of the fibrothecal group are derived from the ovarian stroma and make up a heterogeneous group ranging from the fibroma to the thecoma. Measured invasion of stroma greater than 3.0 mm and no greater than 5.0 mm and no wider than 7.0 mm. Measured invasion of stroma no greater than 3.0 mm in depth and no wider than 7.0 mm. Measured invasion of the stroma no greater than 3 mm in depth and no wider than 7 mm diameter. Both endometrial glands and stroma have to be present for a histologic diagnosis of endometriosis. The fungus is rather variable in the size of the stroma, asci and ascospores. Measured invasion of stroma greater than 3 mm but no greater than 5 mm in depth and no wider than 7 mm in diameter. They form the structure of many organs and are the most resistant components of their stroma. The perithecia are dispersed and immersed in the stroma, which is outlined by a blackened zone. The excimer laser can be used either on the surface, after removing corneal epithelium before treatment, or within the stroma, after cutting a corneal flap. In addition, the plastids of these tubers were more often reported to contain a large volume of electron-dense, lamellate stroma, than were plastids of Earth-grown minitubers. Show More Sentences Very few dots are localized in the stroma of the amyloplasts. Other areas of the tumor showed cords and columns of primitive cells in a slightly edematous stroma. Histology of the pleura showed uniform and bipolar spindle cells with moderate mitosis in a collagenised stroma. Inverted papilloma shows a thickened epithelium bound by an intact basement membrane growing endophytically into the underlying stroma. Biopsy was performed and showed small fragments of fibrotic and hyalinized stroma containing dilated tubular structures. The fibrous septae separating the tubules were pauci-cellular and lacked the appearance of ovarian stroma. In accord with their transchoroidal route of migration, T cells are present in the choroid plexus stroma. Histologically, this subtype is identifiable by the presence of small lymphoreticular follicles distributed within a hyalinized stroma. The TDLUs were composed of a terminal duct surrounded by a lobule supported by dense fibromuscular stroma. Microscopically, the nipple adenoma exhibits epithelial hyperplasia arising from a lactiferous duct displacing the nipple stroma. Insulin stimulates androgen accumulation in incubations of human ovarian stroma and theca. The fungus forms a thallus or lichenized stroma that may contain characteristic secondary metabolites in all lichens. The stroma surrounding these tumor cells contained a basophilic mucoid matrix. There was a considerable increase in the fibrous stroma around the tubules due to the condensation of the normal interstitial tissue as a result of atrophy. The static component is related to an increase in prostate size caused, in part, by a proliferation of smooth muscle cells in the prostatic stroma. Because of the presence of architectural maturation and fibrotic surrounding stroma, nevoid melanoma may also resemble hyalinizing Spitz nevus. This consisted predominantly of epitheloid, spindle shaped cells set in a collagenous stroma containing thin walled vessels. Oncomatrix has associated genes and proteins in the peritumoral stroma to tumor invasiveness. The entire procedure is performed without making a single surgical incision through the surface of the cornea as the laser is targeted to only work within the cornea, in an area called the stroma. Beneath the stroma are Descemet's membrane and the endothelium. Show More Sentences In lichens, the fungus forms a thallus or lichenized stroma that contains characteristic secondary metabolites. Apparently, changes in the hemopoietic stroma damage the hemopoietic microenvironment and, hence, may be responsible for changes observed in the hemopoietic tissue proper. The stroma which joins all the seminiferous tubules contains LEYDIG cells which produce the androgens essential for spermatogenesis amongst other things. The pseudocysts are not true glandular lumens but are part of the tumor stroma, showing glycosaminoglycan material, or hyalinized basal lamina. The neoplastic glands evoked a desmoplastic response within the stroma, which also exhibited a moderate mononuclear inflammatory infiltrate. The growth was noted to be forming cords and islets within the desmoplastic stroma, with hyperchromic, large nuclei and prominent nucleoli. The codifferentiation of myoepithelium and its basement membrane is associated with changes in the surrounding stroma. Isolation of different cell types by laser capture microdissection is being used to identify distinct signatures for early stage disease, metastatic lesions, tumour stroma and tumour vasculature. Microscopic examination demonstrated loose proliferation of stellate or spindle cells on myxoid stroma, with occasional mature lipocyte-like cells. The new layer is located at the back of the cornea between the corneal stroma and Descemet's membrane. Microscopic pathologic assessment confirmed, in addition to a background fibromatous stroma, the presence of endometrial tissue within the lesion. Normal untransplanted marrow was used as a control to ensure the quality of the stroma and the comparability of the experiments at different times. The ADAMTS12 metalloprotease gene is epigenetically silenced in tumor cells and transcriptionally activated in the stroma during progression of colon cancer. Histopathologic examination of the surgical specimen showed that it was made up of immature trabeculae of osteoid in a fibrocellular and myxoid stroma. The latter was a noncircumscribed mass comprising multiple small nodules separated by edematous stroma and showing nodular projections into the surrounding myometrium. Mesenchymal stem cells are progenitor cells which can differentiate into multiple connective tissues including bone, cartilage, muscle, tendon, bone marrow stroma and fat. In the stroma surrounding the nests, the tumor itself seemed to form some ductlike structures, lined by columnar epithelium with basally located nuclei. Histopathology demonstrated irregular lamellar bone with hypocellular fibrous stroma, but no obvious atypia, mitotic activity or necrosis mimicking fibrous dysplasia. Meanwhile, we found that a variable number of plasma cells were present in the internodular sclerotic stroma and a few of which showed IgG4 positive with immunohistochemistry. The minimum thickness of residual stroma to prevent ectasia should be 250 mm. However, some unknown factors can still be responsible for iatrogenic keratectasias. Show More Sentences Goniodysgenesis in Rieger syndrome is manifested primarily as a prominent Schwalbe line, hypoplasia of the iris stroma, and iridocorneal synechiae. The adjacent stroma of the tubal plicae is usually edematous. Examples from Classical Literature The layer of stroma below the superficial epithelium forms in the mammalian ovary the tunica albuginea. The usual Xylaria has a white, sterile, central portion known as the stroma, bearing a carbonous crust. The perithecia are generally imbedded in the outer portion of the stroma, the mouths opening through the carbonous crust. The vascular stroma of the hilus has, moreover, greatly increased in quantity. The degenerations of the epithelioid cells and stroma suggest qualifying terms. It is also found accumulated in the thickness of the stroma, and between the muscular fibres. Where the iris tissue lies in contact with the cornea, the stroma of the iris almost totally disappears. When pus forms it may infiltrate the stroma of the gland, or may be collected into several small foci. A perithecium, or cell excavated in the stroma which fulfils the functions of a perithecium, is always present. Towards the end of the year, shortly stipitate spores appear on their stroma, which do not fall off. It is formed of a core of stroma and a covering of epithelium. As the disease progresses, the stroma of the iris atrophies and contracts. The perithecia are arranged in a circle neat the apex of the stroma. The stroma is generally scanty and rich in cells, but it may be abundant. Find more words! 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Words that rhyme with stroma What is the plural of stroma? What is the adjective for stroma? What is the noun for stroma? Use our Sentence Generator Nearby Words Strom strolls strolling around strolling strollers stroller Stroma stromal stromata stromatolite stromatolites stromatolitic 6-letter Words Starting With s st str stro strom