- an organelle covering the head of animal sperm and containing enzymes that digest the egg cell coating, thus permitting the sperm to enter the egg.
- a cap-like structure on the tip of a spermatozoon that releases enzymes on encountering the ovum allowing fusion with the ovum in the sexual reproductive process; this part of the process is known as the acrosome reaction
More Definitions
- DEVELOPMENT SYSTEM (noun) Definition, Meaning & Examples
- JIM CROW LAW (noun) Definition, Meaning & Examples
- FUME CUPBOARD (noun) Definition, Meaning & Examples
- SILICON TETRAFLUORIDE (noun) Definition, Meaning & Examples
- GRAVESTONE (noun) Definition, Meaning & Examples
- BIPOD (noun) Definition, Meaning & Examples