Sem Of Sperm In A Seminiferous Tubule
by Prof. P. Motta/dept. Of Anatomy/university La Sapienza, Rome/science Photo Library
Title
Sem Of Sperm In A Seminiferous Tubule
Artist
Prof. P. Motta/dept. Of Anatomy/university La Sapienza, Rome/science Photo Library
Medium
Photograph - Photograph
Description
Spermatozoa. False-colour scanning electron micrograph of a bundle of spermatozoa in a seminiferous tubule. The image shows sperm tails with pear-shaped heads visible at bottom. Spermatozoa's formation occurs in the seminiferous tubules in the testes and is divided into two phases called spermatogenesis and spermiogenesis. In the first, the male gamete cells are produced with 23 chromosomes; in spermiogenesis they differentiate into spermatozoa consisting of head, neck and tail. The round brown cells at top are male gametes at the beginning of spermiogenesis. Magnification: x225 at 6x7cm size. x325 at 4x5 inch
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September 23rd, 2018
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