ANATOMY

Detailed explanation-1: -What is the epithelium? 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.

Detailed explanation-2: -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.

Detailed explanation-3: -Epithelium covers the body surface and organs, forms glandular tissues and lines internal organs. 2. Epithelial tissue always has a free surface.

Detailed explanation-4: -One of the primary functions of epithelial tissue is secretion. Most glands (both endocrine and exocrine) are made up of epithelium.

Detailed explanation-5: -The four major classes of simple epithelium are: 1) simple squamous; 2) simple cuboidal; 3) simple columnar; and 4) pseudostratified.