35 results found

Search Results for: intracellular fluid

Intracellular fluid

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

Extracellular fluid

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

Cytosol

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

Hyperosmotic

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

Water

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

Intracellular

Definition adjective Occurring or being (situated) inside a cell or cells. Supplement For example, intracellular fluid... Read More

Extracellular

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

Concentration gradient

Concentration gradient definition Concentration gradient refers to the gradual change in the concentration of solutes in a... 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

Osmosis

Osmosis is the net movement of solvent molecules through a semipermeable membrane. It is similar to diffusion as 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

Endomembrane system

Ever wondered how biomolecules are made within the cell and then they are released outside the cell for use by the body?... Read More

Endocytosis

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

Cell matrix

Definition noun plural: cell matrices cell ma·trix, ˈmeɪtɹɪks An insoluble, dynamic gel in the cytoplasm, believed... Read More

Facilitated diffusion

Facilitated diffusion is the transport of substances across a biological membrane from an area of higher concentration to an... Read More

Generation of resting membrane potential

Stephen H. Wright Department of Physiology, College of Medicine, University of Arizona, Tucson, Arizona 85724... Read More

Cell

A cell is a membrane-bound structure that occurs as a functional independent unit of life (such as in unicellular organisms,... Read More

Sarcolemma

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

Animal cell

An animal cell is the fundamental functional unit of life of animals. It is also the basic unit of reproduction. Animal... Read More

Vesicle

Definition noun, plural: vesicles (general) A small sac or cyst containing fluid or gas (cell biology) A bubble-like... Read More

Extravascular fluid

Extravascular fluid All fluid outside the blood vessels, i.e., intracellular, interstitial, and transcellular fluid's; it... Read More

Cisterna

Definition noun plural: cisternae cis·ter·na, sɪˈstɜːnə (cell biology) The flattened membrane disk containing... Read More

Hypotonic solution

Hypotonic Solution Definition What is a hypotonic solution? It refers to a solution that contains a lower amount of solute... Read More

Homeostatic Mechanisms and Cellular Communication

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

Respiration

Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More

Intercellular

Definition adjective (1) (being located) Between or among cells. (2) Of or pertaining to that (e.g. substance, space,... Read More

Protoplasm

Definition noun plural: protoplasms pro·to·plasm, ˈprəʊtəˌplæzəm The fluid living content of the cell that... Read More

Cytoplasm

Cytoplasm definition noun plural: cytoplasms cy·to·plasm, ˈsaɪtoʊˌplæzəm The contents of a cell surrounded by... Read More

Transport

In biology, transport refers to the act or the means by which a molecule or ion is moved across the cell membrane or via the... Read More

Carrier protein

Carrier protein is a type of cell membrane protein involved in facilitated diffusion and active transport of substances out... Read More

Glycosaminoglycan

Definition noun (biochemistry) The polysaccharide unit of proteoglycan Supplement Glycosaminoglycans are the polysaccharide... Read More