125 results found

Search Results for: extracellular

Extracellular matrix

Definition noun, plural: extracellular matrices The non-cellular portion of a tissue produced and secreted by cells and... Read More

Extracellular fluid

Definition noun The body fluid outside the cell composed of blood plasma, interstitial fluid, lymph and transcellular... Read More

Extracellular

Definition adjective Occurring or being (situated) outside the cell or cells. Supplement For example, extracellular fluid is... Read More

Hyaline cartilage

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

Pinocytosis

Pinocytosis Definition What is pinocytosis?  Pinocytosis is the ingestion of extracellular fluids, i.e. the fluid... Read More

Extracellular digestion

Definition noun A form of digestion wherein the breaking down of materials into smaller, absorbable components takes place... Read More

Sarcolemma

Sarcolemma Definition What is the sarcolemma? It is the thin, transparent, extensible plasma membrane of the muscle cell.... Read More

Neural Control Mechanisms

Nerve cells called neurons generate electric signals that pass from one end of the cell to another and release chemical... Read More

Extracellular inheritance

Definition noun A form of non-Mendelian inheritance in which a trait was transmitted from the parent to offspring through... 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

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

Cell Structure

The interior of the cell is divided into the nucleus and the cytoplasm. The nucleus is a spherical or oval-shaped structure... Read More

Hyperosmotic

Hyperosmotic Definition The word Hyperosmotic is derived from two Greek words: 'hyper', meaning “excess” and 'osmos',... Read More

Plasma membrane

Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... Read More

Anchoring junction

Definition noun, plural: tight junctions A type of cell junction that is attached to components of the extracellular... Read More

Lacuna

Definition of Lacuna What is lacuna? The word "lacuna" (noun, plural: lacunae) is derived from the Latin word- 'lacus',... Read More

Chondrocyte

Definition noun, plural: chondrocytes A cell occupying a lacuna in the extracellular matrix of the cartilage Supplement The... Read More

Homeostatic Mechanisms and Cellular Communication

Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory... 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

Body fluid

Definition noun, plural: body fluids Any fluid found in a living organism Supplement A body fluid refers to any fluid... Read More

Loose connective tissue

Definition noun A type of connective tissue proper that holds and binds organs together, and is characterized by its loose,... Read More

Turgor pressure

In biology, turgor pressure definition pertains to the pressure that is exerted by the fluid (e.g. water) against the cell... Read More

Intracellular fluid

Definition noun The body fluid within the cell composed mainly of water dissolved ions, and other molecules Supplement The... Read More

Transcellular fluid

Definition noun A bodily fluid found in chambers created by the linings of epithelial cells Supplement The extracellular... Read More

Cartilage cell

Definition noun, plural: cartilage cells (histology) A differentiated cell embedded in the extracellular matrix,... 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

Cartilage

Definition noun A type of connective tissue that is firm and flexible and having an extracellular matrix comprised mainly of... Read More

Endocytosis

Endocytosis Definition What is endocytosis in biology? Endocytosis is a cellular process by which a cell internalizes any... Read More

Cross-linking

Cross-linking Definition Cross-linking, in general, means the forming of cross-links between the joining structures. In... Read More

Proteoglycan

Definition noun, plural: proteoglycans A macromolecule that has a core protein attached covalently to one or more... Read More

Hemidesmosome

Definition noun, plural: hemidesmosomes A type of anchoring junction between neighboring cells forming a rivet-like links... Read More

Circulation

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

Chondroblast

There are two forms of cells in cartilage: chondroblasts and chondrocytes. The chondroblasts are cells that secrete the... Read More

Cytosol

Definition noun plural: cytosols cy·to·sol, ˈsaɪtəˌsɒl (cell biology) The liquid component of the cytoplasm... Read More

Water

Water Definition (1) (biochemistry) A chemical substance, with chemical formula H2O, that is a clear, colorless, odorless,... Read More

Interstitial fluid

Definition noun The fluid found in the intercellular spaces composed of water, amino acids, sugars, fatty acids,... Read More

Fibroblast

Definition noun, plural: fibroblasts Cell of connective tissue that produces and secretes fibers (e.g. collagens, reticular... Read More

Plasma

Definition noun (1) Fluid through which cellular components of blood, lymph, or intramuscular fluid are suspended (2)... Read More

Flaccid

Flaccid Definition Biology – What is Flaccid? In botany, the term flaccid refers to a cell that lacks turgidity, i.e. it... Read More

Cell adhesion

Definition noun The binding of a cell to another cell or to an extracellular matrix component, essential in organ formation... Read More