Definitions for "Fertilization membrane"
Keywords:  ovum, sperm, membrane, egg, polyspermy
A membrane surrounding an animal egg which becomes rapidly raised above the egg surface within seconds after fertilization, serving to prevent entry of a second sperm.
A membrane that raises off the surface of an egg after sperm penetration; prevents multiple fertilization.
the membrane that forms around a fertilized ovum and prevents penetration by additional spermatozoon