Sperm production, SEM

Sperm production, SEM

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Caption: Sperm production. Coloured scanning electron micrograph (SEM) of a transverse section across a freeze-fractured seminiferous tubule, the site of sperm production in the human testis. This tubule contains a swirl of the tails (blue) of developing sperm cells at its centre. The tubule is lined with a stratified epithelium containing two types of cell: Sertoli cells (red), which nourish developing sperm, and spermatogenic cells, from which the sperm cells form in a process known as spermatogenesis. After this, the sperm cells mature into their mobile form in a process known as spermiogenesis.

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Keywords: anatomical, anatomy, biological, biology, cell, cells, coloured, developing, development, false-coloured, freeze-fracture, freeze-fractured, gamete, gametes, human body, images, magnified image, male, many, maturing, microscopic subjects, multiple, physiological, physiology, producing, production, reproduction, reproductive, scanning electron micrograph, scanning electron microscope, section, sectioned, sem, seminiferous tubule, sex cell, sex cells, sperm, sperm cell, spermatozoa, spermatozoan, spermatozoon, testicle, testis, tissue, transverse

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