MICROANATOMY

Detailed explanation-1: -Epithelial tissues are widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands. They perform a variety of functions that include protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception.

Detailed explanation-2: -Epithelia are a continuous sheet of cells covering the surfaces of the body. They stand on a basement membrane which provides a site of attachment for the epithelium, and acts as a selective filtration barrier. There is very little intercellular material.

Detailed explanation-3: -The epithelium is a type of body tissue that forms the covering on all internal and external surfaces of your body, lines body cavities and hollow organs and is the major tissue in glands.