Definition, Meaning & Synonyms

acrosome

noun
/ˈakrəˌsōm/
Definition
A cap-like structure that covers the head of a sperm cell.
Examples
  • The acrosome of the sperm releases enzymes that digest the zona pellucida of the egg.
  • Without a functional acrosome, sperm cannot successfully fertilize an egg.
  • During fertilization, the acrosome reaction allows the sperm to interact with the oocyte.
Meaning
The acrosome is essential for the fertilization process as it contains enzymes that help the sperm penetrate the egg’s outer layers.
Synonyms
  • None