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SEM of giant snail sperm

SEM of giant snail sperm

P625/0029

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Credit

MICROFIELD SCIENTIFIC LTD / SCIENCE PHOTO LIBRARY MICROFIELD SCIENTIFIC LTD / SCIENCE PHOTO LIBRARY

Caption

Giant snail sperm. Scanning Electron Micrograph (SEM) of giant snail sperm (also called spermatozoa). Sperm are the motile male sex cells. Each sperm is broadly divided into a head, neck and tail regions. The pear-shaped head contains the nucleus and genetic material of the male needed to fertilize the female egg (ovum). The head is joined to the tail by a short neck. The sperm's tail enables it to swim by whiplash movements, an action that propels it to reach the ovum. Magnification: x1000 at 7x10 inch size.

Release details

Model release not required. Property release not required.

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