Seminiferous tubule, light micrograph

Seminiferous tubule, light micrograph

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Credit: STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Caption: Seminiferous tubule. Coloured light micrograph of a section through a seminiferous tubule in the testis. This is the site of spermatogenesis (sperm production). Sperm cells are made up of a head, which contains the genetic material and enzymes needed to fertilise an egg cell, and a tail, which allows the sperm to move. Maturing sperm cells can be seen in the tube's lumen (centre), with their tails projecting inwards and their heads buried in the walls of the tubule. The tubule is lined with sertoli cells (orange), which nourish the developing sperm. Magnification: x800 when printed at 10cm wide.

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Keywords: 1, anatomical, anatomy, biological, biology, cell, cells, coloured, cross-section, developing, development, false-colour, false-coloured, gamete, gametes, head, heads, histological, histology, human, human body, light micrograph, light microscope, lm, male, maturing, one, people, person, production, reproduction, reproductive system, section, seminiferous tubule, sertoli cell, sex cell, single, slice, sperm cell, spermatogenesis, spermatozoan, spermatozoon, tail, tails, testicle, testis, transverse

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