GENERAL HISTOLOGY

Detailed explanation-1: -Stratified squamous epithelium: This type of epithelium usually has protective functions, including protection against microorganisms from invading underlying tissue and/or protection against water loss. The outer layer of your skin (the epidermis) is made of stratified squamous epithelial cells.

Detailed explanation-2: -What is mucosa? Mucosa is another name for mucous membrane. Mucosa lines the insides of organs and cavities throughout your body that are exposed to particles from the outside. The mucous membrane lubricates and protects these organs and cavities from abrasive particles and bodily fluids, as well as invasive pathogens.

Detailed explanation-3: -Epithelial tissue has a number of functions, which include protection against abrasion, radiation damage, chemical stress and invasion by pathogens. A single organ can have different types of epithelial tissue based on the substances to which different surfaces are exposed.