(n.) The epithelial lining of the ventricles of the brain and the canal of the spinal cord; endyma; ependymis.
Example Sentences:
(1) A similar gold labelling of organelles was observed in the ependyma and pineal neurons.
(2) The Vn 17 cells showed some similarity to the ultrastructural features of the epemdymal cells of newborn rabbits, suggesting that the target cells for Vn 17 may be cells related to ependyma.
(3) It has been found, that increased transparency of the areas below cerebral ependyma, the lack of cerebral cortex sulci, and imaging of the temporal horns together with internal hydrocephalus in CT scans indicate an active process and are indications to shunting.
(4) We have studied, by electron microscopy, the ultrastructural aspects of secretion (neurosecretion) of the ependyma of the third ventricle of the domestic cat.
(5) Only type I and type III collagens and fibronectin could be demonstrated around the epithelial cells of the ependyma.
(6) TTR was demonstrated diffusely and strongly in the cytoplasm of normal choroid plexus cells, but not in ependyma and other tissues of normal brain.
(7) We found that high levels were exclusively present in the epithelial cells of bile and pancreatic ducts, renal collecting ducts, bronchial epithelia, and brain ependyma.
(8) The importance of ependyma and ventricular phagocytes as a first line of defense against viral invasion of the brain, as well as their role in the pathogenesis of certain virus-related diseases, is suggested by a number of experimental and clinical observations.
(9) The ependyma lining the central canal of the spinal cord of adult males and females monkey, Callithrix jacchus, was examined by scanning and transmission electron microscopy.
(10) At all spinal levels, adrenergic fibers were also observed adjacent to the ependyma dorsal or lateral to the central canal.
(11) The light microscopic changes which occurred in the ependyma and periventricular brain tissue were studied.
(12) The predominant histopathologic change in the brain was a mononuclear cell vasculitis, particularly affecting the hippocampus and the choroid plexus, ependyma, and periventricular areas of the lateral and third ventricles.
(13) The paper concerns the rare supratentorial, intracerebral or convexity cysts in adults having a wall lined with an epithelium resembling ependyma.
(14) Medially, the first zone was comprised of ependyma which surrounded the central canal.
(15) Very high levels of converting enzyme were observed in the ventricular choroid plexus, ependyma of all ventricles and large and medium blood vessels, subfornical organ, and organum vasculosum of the lamina terminalis.
(16) Synapses between supraependymal fibres and ependyma cells have also been found.
(17) It was only in one experimental series that the cell kinds compared were characterized by a similar metabolic response: daily adrenaline injections for two weeks resulted in RNA accumulation both in the oligodendroglia and in the ependyma: besides, in both the kinds of spinal cord cells, no changes in RNA amount was found due to acute hypoxic hypoxia and to 6-mercaptopurine administration.
(18) Posterior to the habenular commissure several small branches run out laterally from the ventral bundles to the basal margin of the ependyma, but not into the habenular commissure.
(19) The plasmalemma of some bulbs is in a synaptic contact with the apical plasmalemma of the ependyma, while other bulbs see to end freely in the ventricle.
(20) More caudally, near the junction of the infundibulum with the brain, GnRH accumulated over the apex of the tuberoinfundibular sulci, with several foci being scattered from this region medially to the ependyma of the third ventricle.
Epithelial
Definition:
(a.) Of or pertaining to epithelium; as, epithelial cells; epithelial cancer.
Example Sentences:
(1) In the surface epithelial cells, the basolateral cell surface showed moderate enzymatic activity.
(2) Thus, human bronchial epithelial cells can express the IL-8 gene, with expression in response to the inflammatory mediator TNF regulated mainly at the transcriptional level, and with elements within the 5'-flanking region of the gene that are directly or indirectly modulated by the TNF signal.
(3) Escherichia enterotoxigenic strains, Yersinia enterocolitica and Salmonella typhimurium virulent strains, Campylobacter jejuni clinical isolates possess more pronounced capacity for adhesion to enteric cells of Peyer's plaques than to other types of epithelial cells, which may be of importance in the pathogenesis of these infections.
(4) Autoradiographic studies with tritiated thymidine showed that both epithelial and mesenchymal tumor cells were labeled.
(5) The growth of transitional epithelial cells with different growth media and growth supports was examined.
(6) The vulvar white keratotic lesions which have been subjected to histological examination in Himeji National Hospital (1973-1987) included 13 cases in benign dermatoses, 4 cases in vulvar epithelial hyperplasia, 3 cases in lichen sclerosus, and 3 cases in lichen sclerosus with foci of epithelial hyperplasia.
(7) These four cytokeratins were also found in the epithelial and biphasic mesotheliomas, most of which, however, also expressed, additional cytokeratins, such as the basic Polypeptide 5 and, in some cases, Cytokeratins 4, 6, 14, and 17.
(8) 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.
(9) In the kidneys the index of incorporation inthe epithelial cells of the renal cortex was 7.5-fold and in the brain cortex epithelium 15-fold as increased, respectively.
(10) Benign and malignant epithelial and soft tissue tumors of the skin were usually negatively stained with MoAb HMSA-2.
(11) Uptake studies with 22Na were performed in cultured bovine pigmented ciliary epithelial cells, in order to characterize mechanisms of Na+ transport.
(12) These studies indicate that at each site of induction during feather morphogenesis, a general pattern is repeated in which an epithelial structure linked by L-CAM is confronted with periodically propagating condensations of cells linked by N-CAM.
(13) Elevated, but variable levels of this protein were observed in proliferating normal fibroblasts and transformed cells of fibroblast, epithelial and lymphoid origin.
(14) The correlation with the level of epithelial differentiation may be due to different homing conditions.
(15) Urinalysis revealed a low pH, increased ketones and bilirubin excretion, dark yellowish change in color, the appearance of "leaflet-shaped" crystals and increased red blood cells and epithelial cells in the urinary sediment, increased water intake, decreased specific gravity and decreased sodium, potassium and chloride in the urine.
(16) Ovarian clear cell adenocarcinoma has distinctly different clinical behavior compared to serous carcinoma and should be regarded as an aggressive epithelial histologic type.
(17) Endometriotic implants with good response to Duphaston therapy demonstrated an enhanced autophagic activity within many epithelial cells.
(18) Although no anatomical 'barrier' has been described, it has been suggested that the gel mucus and epithelial phospholipids are constituents.
(19) The interaction of heparin (HP) with the cell-surface components of a human uterine epithelial carcinoma cell line (RL95) was studied.
(20) In the area of the porta hepatis, there were many epithelial luminal structures in fibrous tissue with inflammatory infiltrates.