Epitelia
Epitelia refers to the collective term for the epithelial tissues, which are one of the four primary types of tissue found in animals, including humans. These tissues form continuous sheets that cover the surfaces of the body, both internally and externally, serving as protective barriers, facilitating absorption, secretion, and sensation.
Epithelial cells are tightly packed with minimal extracellular matrix, allowing them to form seamless layers. They
Epithelial tissues perform several critical functions. They act as a protective barrier against physical damage, pathogens,
Epithelial tissues are avascular, meaning they lack blood vessels, and rely on diffusion from underlying connective
Examples of epithelial tissues include the epidermis of the skin (stratified squamous epithelium), the lining of