NEET PG DENTAL EXAM

Detailed explanation-1: -Epithelial tissues line the outer surfaces of organs and blood vessels throughout the body, as well as the inner surfaces of cavities in many internal organs. An example is the epidermis, the outermost layer of the skin.

Detailed explanation-2: -The apical surface of epithelial cells, which lines the lumen of sac-and tube-shaped organs and the inner surfaces of the body cavities, forms the interface between the extracellular milieu and underlying tissues.

Detailed explanation-3: -Apical surface: it is the free surface that is exposed to external/internal environment, b. Basal surface: it is the surface that is attached, resting on connective tissue. Example of epithelial cell: Epidermis of the skin.