Epithelium - Wikipedia
WebEpithelium or epithelial tissue is a thin, continuous, protective layer of compactly packed cells with little extracellular matrix. Epithelial tissues line the outer surfaces of organs and blood vessels throughout the body, as well as the …
Epithelium - Simple English Wikipedia, the free encyclopedia
WebEpithelium (plural: epithelia) is one of the four main types of tissue in the body of animals. It is made up of one or more layers of cells. The outermost layer of the skin is a special type of epithelium. It has an important function: it forms a mechanical defence against infection: see innate immunity.
Intestinal epithelium - Wikipedia
WebThe intestinal epithelium is the single cell layer that forms the luminal surface (lining) of both the small and large intestine (colon) of the gastrointestinal tract. Composed of simple columnar epithelium its main functions are absorption, and secretion.
Epithelium | Anatomy, Structure & Function | Britannica
Web4 days ago · Epithelium, in anatomy, layer of cells closely bound to one another to form continuous sheets covering surfaces that may come into contact with foreign substances. Epithelium occurs in both plants and animals. In animals, outgrowths or ingrowths from these surfaces form structures consisting.
Epithelial tissue: definition, functions & examples | Kenhub
WebNov 3, 2023 · Epithelium is one of only 4 types of human body tissues. Like all types, it is formed by cells within an extracellular matrix (ECM). The cells in this tissue are tightly packed within a thin ECM. Forming sheets that cover the internal and external body surfaces (surface epithelium) and secreting organs (glandular epithelium).
Respiratory epithelium - Wikipedia
WebRespiratory epithelium, or airway epithelium, is a type of ciliated columnar epithelium found lining most of the respiratory tract as respiratory mucosa, where it serves to moisten and protect the airways.
Epithelium: What It Is, Function & Types - Cleveland Clinic
WebNov 9, 2021 · 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. Epithelial tissue has a variety of functions depending on where it’s located in your body, including protection, secretion and absorption.
Transitional epithelium - Wikipedia
WebTransitional epithelium is a type of stratified epithelium. Transitional epithelium is a type of tissue that changes shape in response to stretching (stretchable epithelium). The transitional epithelium usually appears cuboidal when relaxed and …
Simple squamous epithelium - Wikipedia
WebA simple squamous epithelium, also known as pavement epithelium and tessellated epithelium, is a single layer of flattened, polygonal cells in contact with the basal lamina (one of the two layers of the basement membrane) of the epithelium.
Corneal epithelium - Wikipedia
WebThe corneal epithelium (epithelium corneae anterior layer) is made up of epithelial tissue and covers the front of the cornea. It acts as a barrier to protect the cornea, resisting the free flow of fluids from the tears, and prevents bacteria from …
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