Medical Term:

Sertoli cells

Pronunciation: sĕr-tō′lē

Definition: elongated cells in the seminiferous tubules that ensheathe spermatogenic cells, providing a microenvironment that supports spermiogenesis and spermatocytogenesis; they secrete androgen-binding protein and establish the blood-testis barrier by forming tight junctions with adjacent Sertoli cells.

Synonym(s): nurse cells

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