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Sperm cell, light micrograph

Sperm cell, light micrograph

P624/0190

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Credit

JEAN-CLAUDE REVY, ISM / SCIENCE PHOTO LIBRARY JEAN-CLAUDE REVY, ISM / SCIENCE PHOTO LIBRARY

Caption

Sperm cell. Coloured light micrograph of a sperm cell, or spermatozoon. This is the male sex cell. It is produced in the testes and is responsible for fertilisation of the female ovum (egg). It consists of a tapered head that contains the genetic material, and a tail that beats to propel the sperm. When a man ejaculates he releases millions of sperm cells, which travel along the female reproductive tract, through the cervix to the uterus (womb) and fallopian tubes, where one may fertilise an ovum. The tip of the head, the acrosome, contains enzymes that are released to help the sperm penetrate the egg.

Release details

Model release not required. Property release not required.

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