sustentacular cell


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sustentacular cell

[¦səs·tən¦tak·yə·lər ‚sel]
(histology)
One of the supporting cells of an epithelium as contrasted with other cells with special function, as the nonnervous cells of the olfactory epithelium or the Sertoli cells of the seminiferous tubules.
References in periodicals archive ?
1-100bp DNA Ladder 2- negative control of RT-PCR(H2O) 3-negative control 4- Sustentacular cells condition medium after 24 h (50 %) 5- Sustentacular cell condition medium after 24 h (100 %) 6- Sustentacular cell condition medium after 48 h(50 %) 7- Sustentacular cell condition medium after 48 h(100 %) 8-positive control (testicular extraction).
Prolonged dosing resulted in continued spermatocyte degeneration as well as maturation depletion of the spermatid population, leaving tubules containing only sustentacular cells, spermatogonia and preleptotene spermatocytes.
Immu- nohistochemically, S100 positive sustentacular cells are not seen as seen in our study in ONB.20
The normal paraganglia consists of nests of chief cells (type1) and sustentacular cells (type 2).
Phagocytosis of apoptotic bodies by sustentacular cells within the OE was also evident by ultrastructural examination.
Tyrosine phosphorylation is assumed to play roles in sperm and testosterone productions since phosphorylated proteins have been localized in Interstitial cells (Leydig cells), Sustentacular cells Sertoli cells) permatogonia, spermatocytes, and spermatids (round and elongated), respectively (Arad-Dann et al., 1993; Chaichun et al., 2017).
The nests are separated by interspersed small blood vessels and sustentacular cells.
Paraganglioma is typically positive for synaptophysin and chromogranin, with S100 positivity in the sustentacular cells in between.
The presence of typical Zellballen pattern of arrangement of tumour cells surrounded by sustentacular cells and fibrovascular stroma favour a diagnosis of pheochromocytoma (Fig.
Flattened sustentacular cells can sometimes be highlighted in the periphery of the cell nests with S-100 protein.
There was close association with delicate capillaries and S100 positive sustentacular cells. Appearances were consistent with an extraadrenal paraganglioma.
On immunohistologic analysis, sustentacular cells stained strongly positive with S-100.