VitaminLife.com Online Coupons
Table of Contents > Health Dictionary > Egg membrane

Egg membrane

The investing envelope of the oocyte; a primary egg membrane is produced from ovarian cytoplasm (a vitelline membrane); a secondary egg membrane is the product of the ovarian follicle (the zona pellucida); a tertiary egg membrane is secreted by the lining of the uterine tube (a shell).
Search Site