Sperm production, SEM

Sperm production, SEM

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Credit: SUSUMU NISHINAGA/SCIENCE PHOTO LIBRARY

Caption: Sperm production. Coloured scanning electron micrograph (SEM) of sperm cells (spermatozoa) in the seminiferous tubules of the testis. This is the site of spermatogenesis (sperm production). Each sperm cell consists of a head (orange and green), which contains the genetic material that fertilises the female egg cell, and a tail (blue), which propels the sperm. The heads of the sperm are buried in Sertoli cells, which nourish the developing sperm. Magnification: x4500 when printed at 10 centimetres wide.

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Keywords: anatomical, anatomy, biological, biology, cell, cells, coloured, developing, development, false-coloured, gamete, gametes, head, heads, human body, male, many, multiple, producing, production, reproduction, reproductive system, scanning electron micrograph, scanning electron microscope, sem, seminiferous tubule, sertoli cell, sex cell, sperm cell, spermatogeneisis, spermatozoan, spermatozoon, tail, tails, testicle, testis

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