Dictionary > Acrosome

Acrosome

Acrosome
(Science: cell biology) a membrane-bound compatment at the tip of the head of a sperm which contains lytic enzymes (hyaluronidase in mammalian sperm) which digest the outer surface of the egg and allow the sperm to inject its haploid dna.
The compartment is secreted by the golgi apparatus of the spermatid.
Origin: gr. Soma = body
a process at the anterior end of a sperm Cell that produces enzymes to facilitate penetration of the egg.Found at the head of a sperm gamete, the acrosome is an enzyme filled sac that assists in breaking down the wall of the egg mother cell so that the sperm can fertilise the egg.


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