(n.) The soft celluar substance of the tissues of plants and animals, like the pulp of leaves, to soft tissue of glands, and the like.
Example Sentences:
(1) While stereology is the principal technique, particularly in its application to the parenchyma, other compartments such as the airways and vasculature demand modifications or different methods altogether.
(2) Vascular surgical procedures sparing renal parenchyma are relatively new, as the most common treatment for this condition had been nephrectomy.
(3) Surrounding parenchyma may be partially compressed.
(4) Injection of T-dependent antigens into the subarachnoid space and brain parenchyma induced a marked antibody production in the spleen, as detected by plaque-forming cells (PFC).
(5) In chronic active hepatitis and liver cirrhosis, both carbohydrate antigen 19-9 positive biliary ductular cells and factor VIII-related antigen positive endothelial cells were not only observed in the enlarged portal area but also extended into the parenchyma.
(6) A pathogenetic mechanism is postulated to explain the subacute evolution of fluid collection with diffusion of proteolytic enzymes between the splenic capsule and parenchyma.
(7) The decortication is aimed at removing the chronic pleural sack and the possible parenchymatous lesions and at the recovery of the maximum functional pulmonary parenchyma.
(8) Our experience in 6 cases show the helpful use of intraoperative ultrasonography in the judgement of normal parenchyma.
(9) A wide window setting permits both pleura and lung parenchyma to be examined simultaneously.
(10) After birth, laminin mRNA was associated with intrahepatic bile channels; no laminin mRNA was detected in the parenchyma and protein deposition was restricted to blood sinus BM.
(11) Histopathological evaluations showed that sulfuric acid particles alone did not cause inflammatory responses in centriacinar units of rat lung parenchyma (expressed in terms of percent lesion area) but did cause significant damage (cell killing followed by a wave of cell replication) in nasal respiratory epithelium, as measured by uptake of tritiated thymidine in the DNA of replicating cells.
(12) Of the 20 expanding tumors, only six had direct spread in the liver parenchyma adjacent to the tumor (p less than 0.02).
(13) Relatively weaker GUS activity was also detected in pith parenchyma.
(14) Light and electron microscopic analysis showed a high concentration of this enzyme in stellate cells, particularly heavily distributed under the organ capsule and scattered in the parenchyma, where they form a widespread three-dimensional network.
(15) We observed that the distribution of three isoforms of smooth muscle myosin heavy chains is different in airways compared to pulmonary arteries, and in central airways and arteries compared to lung parenchyma.
(16) The electron-microscopic study has shown that ultrastructure of tumours and their growth rate depend on a degree of the parenchyma cell differentiation and on the maturity of connective tissue being the result of their specific interaction.
(17) Observations up to 16 weeks revealed diffuse involvement of the lung parenchyma with extensive collagenization.
(18) As shown earlier, at zero turgor pressure the intracellular freezing point of the parenchyma cells matches closely the negative pressure in the xylem sap.
(19) Studies in severe combined immunodeficient mice that were engrafted with selected lymphocyte subpopulations show that B cells, and hence anti-Cryptococcus antibodies, are not necessary for the CD4+ T cell-dependent responses that isolate and subsequently destroy this opportunistic pathogen in the lung parenchyma.
(20) Although approximately 29% of the inoculum was recovered from the hepatic parenchyma of the sheep, F. hepatica was found in only one of six inoculated deer.
Stroma
Definition:
(n.) The connective tissue or supporting framework of an organ; as, the stroma of the kidney.
(n.) The spongy, colorless framework of a red blood corpuscle or other cell.
(n.) A layer or mass of cellular tissue, especially that part of the thallus of certain fungi which incloses the perithecia.
Example Sentences:
(1) The epithelial changes occur during the same time period that interstitial cells with ultrastructural and histochemical properties of steroid-secreting tissue appear in the ovarian stroma.
(2) Increased amounts of laminin in the basal epithelium of the cornea and of collagen type III in the stroma and subepithelial components of the stroma were observed.
(3) Besides, it showed a high number of plasma cells secreting IgA in the stroma of the 2 tumours, the ultrastructural study performed on the epithelioma also demonstrated some similarities between epitheliomatous cells and epithelial cells of cystadenolymphomas (outlined epidermoid or glandular differentiation, numerous mitochondria).
(4) These results are in marked contrast to our results with stroma-free methemoglobin solutions (SFMS) which showed SFMS to be a highly effective antidote against four times the LD90 when administered 30 seconds after an intravenous injection of cyanide.
(5) The presence of prostatic invasion either into the stroma or involving prostatic ducts and acini only had no adverse effect on outcome.
(6) The cAMP-dependent protein kinase (ATP:protein phosphotransferase, EC 2.7.1.37), has been studied in the vaginal epithelium, vaginal stroma, endometrium, and whole uterus of spayed mice treated with oestradiol-17 beta, and in the vaginal epithelium and uterus of spayed mice.
(7) The oblique interface between corneal and scleral stroma determines the appearance of the surgical limbus whose landmarks vary around the circumference of the globe but predictably correlate with structures of the anterior chamber angle.
(8) In castrates, the prostatic stroma became thickened, with a large increase in fibrous material between and surrounding each acinus, although smooth muscle cells retained their normal cytology.
(9) Other anti-NK cell MoAbs such as VD4 (CD16) and Leu-7 (CD57) reacted only with single cells of thyroid stroma.
(10) One of the tumours appeared to have an origin in an epidermoid cyst and had a pseudosarcomatous stroma.
(11) The stroma has a propensity to accumulate fluid and to create macroscopic cystic spaces.
(12) Both normal precursors and their leukemic counterparts showed adhesion to marrow stroma and fibroblasts.
(13) Correlated roentgenographic and histomorphometric methods demonstrate that new bone develops by proliferation of preexisting osteoprogenitor cells lining the diploë and perivascular cells of the bone marrow stroma.
(14) On the basis of these findings, we conclude that 1) BAC can be classified within the same spectrum as well differentiated papillary adenocarcinoma, and 2) selective lung metastasis occurs in well differentiated adenocarcinomas showing mild NDC abnormalities and having a thin fibrovascular stroma without apparent destruction of the alveolar wall.
(15) 17 genuine tumors were found (39%): 8 germ-cell tumors, 7 cystomas respectively cystadenomas and 2 tumors of the gonadal stroma.
(16) The histological characteristics and the presence of laminin in the stroma suggested that the malignant tumors belonged to the category of yolk sac tumors.
(17) Our results suggest that the synthesis of ER in cervical epithelium can be influenced by underlying stroma.
(18) Presence of about 100 A thick fibrils in the stroma was consistent with histochemically positive amyloid.
(19) On the other hand, the change in the stroma was more eminent in the periglandular region than in the periluminal and deep regions in most conditions.
(20) Seventy-two hours after irradiation the whole epithelium is affected and very numerous leukocytes are present in the stroma.