Sustentacular cell

A sustentacular cell is a type of cell primarily associated with structural support, they can be found in various tissues.^[1]

• Sustentacular cells of the olfactory epithelium (also called supporting cells or Sertoli cells) have been shown to be involved in the phagocytosis of dead neurons,^[2] odorant transformation^[3] and xenobiotic metabolism.^[4]
• One type of sustentacular cell is the Sertoli cell, in the testicle. It is located in the walls of the seminiferous tubules and supplies nutrients to sperm.^[5] They are responsible for the differentiation of spermatids, the maintenance of the blood-testis barrier, and the secretion of inhibin, androgen-binding protein and Müllerian-inhibiting factor.^{[citation needed]}
• The organ of Corti in the inner ear and taste buds also contain sustentacular cells.^{[citation needed]}
• Another type of sustentacular cell is found with glomus cells of the carotid and aortic bodies.^{[citation needed]}
• About 40% of carcinoids have a scattering of sustentacular cells, which stain positive for S-100.^[6]

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