Welcome to the The Incredible Edible Egg™ Eggcyclopedia, where you can access the latest egg information from A-Z. The Eggcyclopedia was developed by the American Egg Board (AEB) on behalf of America's egg farmers who are committed to caring for their hens and producing high-quality eggs for you and your families.
Just click on any letter below to bring up a list of egg terms and their related definitions.
The entrance of the latebra, the channel leading to the center of the yolk. The germinal disc is barely noticeable as a slight depression on the surface of the yolk. If an egg is fertilized, sperm enter through the germinal disc, travel to the yolk center and a chick embryo starts to form. – See Composition, Formation