Epithelial Tissue An epithelial tissue or epithelium consists of cells arranged in continuous sheets, in either single or multiple layers. It covers body surfaces and lines hollow organs, body cavities, and ducts. It also forms glands. Types of Epithelial Tissue Functions of Epithelial Tissue : It protects the underlying tissue from friction and injury. It secret certain chemical substances that are utilized by the body. On the basal side, the epithelial cells are supported by a basement ... Epithelial Tissue Definition Epithelial tissues are thin tissues that cover all the exposed surfaces of the body. They form the external skin, the inner lining of the mouth, digestive tract, secretory glands, the lining of hollow parts of every organ such as the heart, lungs, eyes, ears, the urogenital tract, as well as the ventricular system of the brain and central canals of the spinal cord. The cells making up epithelia are often closely bound to one another through specialized structures ... What is epithelium? Epithelial tissue or Epithelium (plural = epithelia) is a protective, continuous sheet of compactly packed cells. Epithelium covers all internal and external surfaces of our body and lines body cavities and hollow organs. The epithelium has a variety of functions depending on where it’s located in your body, including protection, secretion, sensation, and absorption. [In this image] Four examples of epithelial tissues with distinct cell morphology and functions. What is Epithelial Tissue? Epithelial tissue is one of the four primary types of tissues in the human body , alongside connective, muscle, and nervous tissues. It serves as a protective barrier and a functional interface between the internal and external environments.
