Parts of an Egg
air cell
The pocket of air in the wide part of the egg
germ spot
The "white spot" on a yolk. If the egg is fertilized and kept warm then the embryo will begin to develop from this spot.
USDA
The abbreviation for United States Department of Agriculture
shell
The hard protective covering of the egg. This has many tiny pores that allow air and moisture to pass in and out of the egg.
shell membranes
The thin layers inside the shell.
chalazae
The twisted strands (cords) of albumen at each end of the yolk. These anchor the yolk in the center of the shell.
albumen
The watery semi-solid white of an egg. It provides the developing embryo with food and water.
yolk
The yellow of an egg. This is the primary source of food for a growing embryo.