Learning Objectives
After reading this post you will be able to:
Define epithelial tissue and describe its characteristic features .
Classify epithelial tissue.
State the function of each type of epithelium.
Identify surface modifications of epithelia and state the function of each modification.
Identify all types of epithelia.
Q. Define Epithelium.
A. Epithelium is a sheet of cells arranged in single or multiple layers that covers the external surface of solid structures and lines the internal surface of hollow viscera and body cavities.
epithelium
Q. Where will you find epithelium?
A. Epithelial tissue
covers the surface of body
lines body cavities, digestive tract , urinary tract, respiratory tract and blood vessels.
Secretory/Glandular epithelium: Epithelial tissue cells also make up glands of the body (formed by invagination of surface epithelium).