Category: Embryology

The vitelline membrane, the scientific name for the yolk membrane, is a multilayered structure. The primary function of the yolk membrane in an egg is to protect and maintain the yolk's integrity while serving as a microbial barrier and regulating nutrient exchange.

Did you know that in egg-laying animals like birds and reptiles, the yolk provides all the energy and building blocks needed for development and growth? The primary function of the yolk is to serve as the nutrient-rich food source for the developing embryo.