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 ...

General principles of histology -- Epithelium -- Connective tissue proper and embryonal connective tissue -- Cartilage -- Bone -- Blood -- Bone marrow -- Muscle ...

Epithelial cells line various surfaces of the body, including the skin, blood vessels, organs, and urinary tract. A raised amount of epithelial cells in a person’s urine may indicate an underlying ...