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False-colour SEM of sperm in uterus

False-colour SEM of sperm in uterus

P624/0052

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Credit

PROFESSORS P.M. MOTTA & J. VAN BLERKOM / SCIENCE PHOTO LIBRARY PROFESSORS P.M. MOTTA & J. VAN BLERKOM / SCIENCE PHOTO LIBRARY

Caption

Sperm in uterus. False-colour scanning electron micrograph of a human sperm on the inner surface of the uterus, the endometrium. The head of the sperm appears buried in the grass-like ciliated epithelium. Tiny projections or microvilli cover the remaining secretory cells, which provide a moist environment & nutrition to both ova and sperm. Sperm remain incapable of fertilising an ovum until after undergoing capacitation, a process which occurs within the female tract. The close association of the sperm with the ciliated cells in this image may relate to this process. Magnification: x4030 at 6x7cm size.

Release details

Model release not required. Property release not required.

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