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Maturing sperm

Maturing sperm

P608/0110

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Credit

STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY

Caption

Maturing sperm. Coloured freeze-fracture scanning electron micrograph (SEM) of healthy spermatozoa (sperm, white) in the epididymis. This is a 7- metre-long coiled tube that lies behind the testis, where the sperm are produced. The sperm mature as they pass slowly along the epididymis, until they are ready to be ejaculated. Magnification: x1600 at 6x7cm size.

Release details

Model release not required. Property release not required.

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