Types: Columnar (simple, stratified) - Cuboidal (simple, stratified) - Pseudostratified/Respiratory - Squamous (simple, stratified) - Transitional - Olfactory eMedicine is an online clinical medical knowledge base that was founded in 1996. ...
The University of WisconsinâLa Crosse is a public university located in La Crosse, Wisconsin and is part of the University of Wisconsin System. ...
The University of Kansas (often referred to as KU) is an institution of higher learning located in Lawrence, Kansas. ...
A thin section of lung tissue stained with hematoxylin and eosin. ...
Types of epithelium This article discusses the epithelium, an animal anatomical structure. ...
Columnar epithelia are cells whose heights are at least twice their width. ...
The simple epithelium is made up of one layer of cells that have little resistance to injury. ...
Stratified columnar epithelia have several layers, with columnar cells as the outermost of these. ...
Cuboidal epithelia are cube-shaped epithelial cells present in single layers or multiple layers, depending on their location in the body. ...
Simple cuboidal eplithelia are cells in a single layer found on the surface of ovaries, the lining of nephrons, and parts of the eye and thyroid. ...
Stratified cuboidal epithelia are multi-layered. ...
The squamous epithelium is epithelium consisting of one or more cell layers, the most superficial of which is composed of flat, scalelike or platelike cells. ...
In simple squamous epithelia all the cells are in contact with the basal lamina (basement membrane) of the epithelium. ...
H&E stain of biopsy of normal esophagus showing the stratified squamous cell epithelium Section of the human esophagus. ...
Transitional epithelia are multi-layered cells that can contract and expand. ...
The olfactory epithelium is a specialized epithelial tissue inside the nasal cavity that is involved in smell. ...
Features: Lateral: Tight junction - Adherens junction - Desmosome - Gap junction Basal: Basal lamina - Hemidesmosome Apical: Cilia - Microvilli - Stereocilia Diagram of Tight junction. ...
Principal interactions of structural proteins at cadherin-based adherens junction. ...
Cell adhesion in desmosomes A desmosome (also known as macula adherens (Latin for adhering spot ) is a cell structure specialized for cell-to-cell adhesion. ...
A gap junction is a junction between certain animal/plant cell-types that allows different molecules and ions to pass freely between cells. ...
The basal lamina (often erroneously called basement membrane) is a layer on which epithelium sits. ...
Hemidesmosomes (HD) are very small stud- or rivet-like structures on the inner basal surface of keratinocytes in the epidermis of skin. ...
cross-section of two motile cilia, showing the 9+2 structure A cilium (plural cilia) or undulipodium (pl. ...
A microvillus (usually not occurring alone, so usually referred to as the plural microvilli) is a small (0. ...
Stereocilia are mechanosensing organelles of hair cells, which respond to fluid motion or fluid pressure changes in numerous types of animals for various functions, primarily hearing. ...