search engine by freefind advanced
site search engine by freefind

The Epithelial Tissue

Definition
    The epithelium is a tissue that covers the body surface, the organs and forms glands. Its functions are protedtion, secretion, absorption, transcellular transport and sensing

The Types of Epithelium
    3 principal shapes
Squamous
Columnar
Ccuboidal.

A single layer of cells as simple epithelium
In layers of two or more cells deep as stratified
All glands are made up of epithelial cells

Epithelial layers contain no blood vessels
They must receive nourishment via diffusion of substances from the underlying connective tissue, through the basement membrane.














page view counter
search engine by freefind advanced
site search engine by freefind