seminiferous tubules defined in 1951 yearseminiferous tubules - seminiferous tubules;
seminiferous tubules - Coiled tubes (each about 50 cm. long and i mm. diameter in man), several hundreds of which are present in vertebrate testis. Made of germinal epithelium. During sexual activity all stages of spermatogenesis occur in them, up to almost mature sperm. Supposedly nutritive Sertoli cells, to which developing spermatids are attached, are also present. Correspond to ovarian follicles of ovary. See also: Follicle-Stimulating Hormone.
near seminiferous tubules in Knolik
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