Sperm On The Uterine Wall
by David M. Phillips
Title
Sperm On The Uterine Wall
Artist
David M. Phillips
Medium
Photograph - Photograph
Description
Color enhanced scanning electron micrograph (SEM) of sperm on the uterine wall. The sperm's tail enables it to swim in order to reach reach the female ovum. The head is capped by the acrosome that releases enzymes assisting in the penetration of the egg during fertilization. Here, the sperm have attached to the wall of the uterus. Only a single sperm succeeds in fertilization. rapid chemical changes thicken the outer membrane surrounding the ovum and form a barrier to competing sperm.
Uploaded
June 30th, 2014
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