75 results found

Search Results for: epithelium

Epithelium

An epithelium is a type of animal tissue made up of densely packed cells (called epithelial cells) that rest on a basement... Read More

Simple squamous epithelium

Simple Squamous Epithelium Definition Simple squamous epithelium, also known as simple squamous epithelial tissue or... Read More

Stratified columnar epithelium

A stratified columnar epithelium (plural: stratified columnar epithelia) is a type of stratified epithelium in which the... Read More

Squamous epithelium

Definition noun, plural: squamous epithelia An epithelial tissue comprised of squamous cells, as seen in epidermis,... Read More

Pseudostratified epithelium

Definition noun, plural: pseudostratified epithelia An epithelial tissue comprised of a single layer of epithelial cells... Read More

Stratified epithelium

Definition noun, plural: stratified epithelia An epithelial tissue comprised of more than one layer of epithelial cells,... Read More

Columnar epithelium

Definition noun, plural: columnar epithelia An epithelial tissue comprised of columnar epithelial cells, with or without... Read More

Simple epithelium

Definition noun, plural: simple epithelia An epithelial tissue comprised of a single layer of epithelial cells that are in... Read More

Cuboidal epithelium

Definition noun, plural: cuboidal epithelia An epithelial tissue comprised of cuboidal epithelial cells, and is involved in... Read More

Stratified cuboidal epithelium

Definition noun, plural: stratified cuboidal epithelia A type of stratified epithelium in which the topmost layer is made up... Read More

Stratified squamous epithelium

Definition noun, plural: stratified squamous epithelia A type of stratified epithelium in which the topmost layer is made up... Read More

Simple columnar epithelium

Definition noun, plural: simple columnar epithelia Simple epithelium composed of columnar epithelial cells Supplement A... Read More

Pseudostratified columnar epithelium

Definition noun, plural: pseudostratified columnar epithelia A special type of columnar epithelium composed of a single... Read More

Simple cuboidal epithelium

Definition noun, plural: simple cuboidal epithelia Simple epithelium composed of cuboidal epithelial cells Supplement A... Read More

Crevicular epithelium

Crevicular epithelium The stratified squamous epithelium lining the inner aspect of the soft tissue wall of the gingival... Read More

Stratified ciliated columnar epithelium

Stratified ciliated columnar epithelium An epithelium consisting of several layers of cells with the deeper cells being... Read More

Digestion and Absorption of Food

The gastrointestinal (GI) system includes the gastrointestinal tract (mouth, pharynx, esophagus, stomach, small intestine,... Read More

Tissue

Tissue Definition What is tissue in the body? The body tissue is an aggregation of cells that function together and have a... Read More

Alimentary canal

Definition of Alimentary canal What is the alimentary canal? The alimentary canal is a muscular hollow continuous tubular... Read More

Tight junction

What are tight junctions? Tight junctions are the intercellular barrier between two neighboring endothelial and epithelial... Read More

Labia

Labia Definition Often, when persons think of the female reproductive system, they think of the vagina. However, the female... Read More

Kidneys and Regulation of Water and Inorganic Ions

Renal Functions Kidneys remove/add substances from/to the plasma. Regulate water concentration, inorganic ion... Read More

Nail bed

Definition noun The part of the skin covered by the nail plate, and is made up of the stratified epithelium Supplement The... Read More

Homeostasis

Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More

Epidermis

Epidermis Definition What is the epidermis? We can define the epidermis as one or more layers of cells forming the tough... Read More

Tapetum lucidum

Definition noun, plural: tapeta lucida A layer of tissue in the choroid or in the retinal pigment epithelium of the eye of... Read More

Aqueous humor

Definition noun, plural: aqueous humors A clear, watery body fluid secreted by the ciliary epithelium, and fills the... Read More

Movement of Molecules Across Cell Membranes

Diffusion Diffusion is essentially the movement of molecules from a region of higher concentration to a region of lower... Read More

Anoderm

Definition noun The epithelial lining from the dentate line to the intersphincteric groove Supplement The anoderm refers... Read More

Sensory Systems

A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal and... Read More

Keratinocyte

Definition noun, plural: keratinocytes The predominant type of cell in the epidermal layer of the skin Supplement The skin... Read More

Macula adherens

Definition noun A type of anchoring junction between neighboring cells forming a plaquelike site on the cell... Read More

Bacteroides caccae

Definition Noun A gram-negative non spore-forming anaerobic and rod-shaped bacterium involved in inflammatory bowel diseases... Read More

Myoepithelial cell

Definition noun, plural: myoepithelial cells (1) (histology) A slender, spindle-shaped contractile cell forming the thin... Read More

Circulation

Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More

Spermatid

Spermatid Definition What are spermatids? Let us define spermatid and understand its role in reproduction. A spermatid... Read More

Hyaline cartilage

Hyaline Cartilage Definition Before we define hyaline cartilage, let us understand what cartilage is. What is cartilage? Is... Read More

Karyopyknotic index

Karyopyknotic index An index used to monitor the hormonal status of the patient as reflected by exfoliated vaginal cells and... Read More

Crypt

Crypt (Science: pathology) deep pit that protrudes down into the connective tissue surrounding the small intestine. The... Read More

Rete testis

Definition noun, plural: rete testes A network of tubules in the hilum of the testicle, and serves as passageway for sperm... Read More