Seminiferous tubule, light micrograph

Seminiferous tubule, light micrograph

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Caption: Seminiferous tubule. Light micrograph of a section through a testis showing part of a seminiferous tubule. The seminiferous tubules are the site of sperm production (spermatogenesis). Sperm cells are made up of a head, containing genetic material, and a tail. Mature sperm cells can be seen closest to the tubule's lumen (upper centre, white). Moving away from the lumen are increasingly immature precursor cells; first spermatids, then spermatocytes and finally spermatogonia. The outermost cells are sertoli cells, which nourish the maturing sperm.

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Keywords: biological, biology, cell, cells, cross section, developing, development, gamete, healthy, histological, histology, light micrograph, light microscope, lm, male, maturing, normal, reproduction, reproductive system, section, sectioned, seminiferous tubule, sertoli cells, sperm, sperm production, spermatids, spermatocytes, spermatogenesis, spermatogonia, spermatozoan, spermatozoon, tails, testicle, testis

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