sustentacular cell

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sus·ten·tac·u·lar cell

one of the ordinary elongated cells resting on the basement membrane that surround the shorter specialized cells in certain organs, such as the labyrinth of the internal ear, taste bud, or olfactory epithelium.
Synonym(s): supporting cell

sustentacular cell

One of the supporting cells of an epithelial membrane or tissue.

sustentacular cell

A supporting cell, as in the acoustic macula, organ of Corti, olfactory epithelium, taste buds, or testes.
See also: cell


supporting; sustaining.

sustentacular cell
a supporting epithelial cell which lacks a specialist function.
References in periodicals archive ?
A,C) Differentiated BMMSCs that cultured with Sustentacular cell condition medium were positive for Mvh (after 1 week) and Scp3 (after 3 weeks) (green color) and nuclei were stained with DAPI (blue color).
Sustentacular cells are known as nurse or mother cells for Spermatogonial stem cells (SSCs) in testis.
Photomicrograph showing sustentacular cells, which are immunoreactive for S100 (original magnification X20).
25) Pheochromocytoma has the characteristic Zellballen microscopic pattern, with well-defined nests of tumor cells supported by sustentacular cells.
5,24) In contrast to the intraluminal polypoid mass for metastatic clear cell RCC of the gallbladder, paraganglioma appears as a small, well-circumscribed nodule protruding to the external surface of the gallbladder and is composed of chief and sustentacular cells arranged in a zellballen pattern.
a) Positive in the peripherally situated sustentacular cells.
Immunohistochemistry confirmed the presence of 2 cell populations: the chief cells stained with neuron-specific enolase and chromogranin, whereas the sustentacular cells stained with S100 protein.
Paraganglioma is positive for neuroendocrine markers, such as synaptophysin and chromogranin A, and contains S100 protein-positive sustentacular cells.
Scattered S100positive sustentacular cells were seen at the periphery of the cell nests.
Retroperitoneal paragangliomas have a "zellenballen" architecture with S100-positive sustentacular cells.