centi-. a combining form meaning âhundredthâ or âhundredâ: centiliter; centimeter; centipede.
An egg is an animal reproductive body that is spherical or ellipsoidal in shape. Inside the egg is the fertilized ovum that grows and develops as an embryo. It is produced and released outside of the animal body by fish, birds, snakes, insects, turtles, and other animals.
Incubation and Embryology - University of Illinois. Structure of the Egg. The egg is a biological structure intended by nature for reproduction. It protects and provides a complete diet for the developing embryo, and serves as the principal source of food for the first few days of the chick's life. The egg is also one of the most nutritious and versatile of human foods.