fertilization membrane

noun

: a resistant membranous layer in eggs of many animals that forms following fertilization by the thickening and separation of the vitelline membrane from the cell surface and that prevents multiple fertilization

Word History

First Known Use

1931, in the meaning defined above

Medical Definition

fertilization membrane

noun

: a resistant membranous layer in eggs of many animals that forms following fertilization by the thickening and separation of the vitelline membrane from the cell surface and that prevents multiple fertilization