339 results found

Search Results for: fluid

Body fluid

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

Transcellular fluid

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

Extracellular fluid

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

Interstitial fluid

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

Fluid

Fluid Having particles which easily move and change their relative position without a separation of the mass, and which... Read More

Cerebrospinal fluid

Definition noun, plural: cerebrospinal fluids A clear, colorless body fluid that fills the ventricles of the brain and the... Read More

Amniotic fluid

Definition noun The protective fluid surrounding the developing fetus within the amniotic sac of a pregnant... 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

Synovial fluid

Definition noun A clear, viscid fluid in the synovial joints and secreted by the membrane that lines the... Read More

Circulatory fluid

Definition noun The fluid confined within the vessel in a closed circulatory system or that contained in a cavity (hemocoel)... Read More

Fluid mosaic model

Definition A model conceived by S.J. Singer and Garth Nicolson in 1972 to describe the structural features of biological... Read More

Circulation

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

Pinocytosis

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

Extravascular fluid

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

Hyperosmotic

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

Fluid retention

Fluid retention An abnormal accumulation of fluid in cells, tissues or body cavities that results in... Read More

Cytosol

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

Viscosity

Viscosity refers to the state or condition of being viscous. It is measured as a physical property of a fluid. As a physical... Read More

Filtration

Filtration Definition What is filtration? Filtration is separating a solid from a fluid through a porous material that... 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

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

Rees-ecker fluid

Rees-Ecker fluid An aqueous solution of sodium citrate, sucrose, and brilliant cresyl blue used in platelet... 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

Pre-ejaculate

Definition noun The clear colorless fluid emitted from the urethra of an aroused penis prior to ejaculation Supplement In... Read More

Water

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

Oligohydramnios

Definition noun A condition characterized by a deficiency of amniotic fluid Supplement The amniotic fluid is the fluid that... Read More

Diarthrodial joint

What is a diarthrodial joint? A diarthrosis joint is a freely moving joint characterized by its mobility and joint cavity... 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

Liquids

Liquid 1. A substance whose parts change their relative position on the slightest pressure, and therefore retain no definite... Read More

Plasma

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

Digestion and Absorption of Food

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

Vitreous humor

Definition noun The clear, gel-like body fluid in the vitreous chamber, i.e. the posterior cavity between the lens and the... Read More

Synovial membrane

Definition noun, plural: synovial joints The connective tissue lining the inner surface of the joint capsule of a synovial... 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

Joint capsule

Definition noun, plural: joint capsules A sac-like fibrous tissue that envelopes a synovial joint Supplement Synovial joints... Read More

Lacuna

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

Isotonic

Isotonic Definition What does isotonic mean? The term "isotonic" is used in physiology, anatomy, and physical chemistry.... 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