The epithelium is a type of tissue that covers many different surfaces on the inside and the outside of your body. Epithelial cells are packed tightly together and serve as a barrier between the ...

Pigs and humans are very similar. Human and pig organs are almost the same size, and many tissue types are almost identical. This is why pigs are useful when developing and testing new drugs. Thanks ...

A teratoma is a rare type of germ cell tumor (GCT) containing different types of tissue, such as hair, bone, teeth, and muscle. They most commonly affect the ovaries, testicles, and tailbone but can ...