oncotic pressure

oncotic pressure
on·cot·ic pressure (')äŋ-'kät-ik-, (')än- n the pressure exerted by plasma proteins on the capillary wall

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a pressure represented by the pressure difference that exists between the osmotic pressure of blood and that of the lymph or tissue fluid. Oncotic pressure is important for regulating the flow of water between blood and tissue fluid. See also osmosis.

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the osmotic pressure due to the presence of colloids in a solution; in the case of plasma–interstitial fluid interaction, it is the force that tends to counterbalance the capillary pressure.

Medical dictionary. 2011.

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  • Oncotic pressure — Oncotic pressure, or colloid osmotic pressure, is a form of osmotic pressure exerted by proteins in blood plasma that usually tends to pull water into the circulatory system. Throughout the body, dissolved compounds have an osmotic pressure.… …   Wikipedia

  • oncotic pressure — a pressure represented by the pressure difference that exists between the osmotic pressure of blood and that of the lymph or tissue fluid. Oncotic pressure is important for regulating the flow of water between blood and tissue fluid. See also:… …   The new mediacal dictionary

  • oncotic pressure — (ˈ)än]|käd.ik , (ˈ)äŋ] noun Etymology: oncotic probably International Scientific Vocabulary onco (I) + tic (as in osmotic) : the pressure exerted by plasma proteins on the capillary wall and made up of the osmotic and imbibition pressures of the… …   Useful english dictionary

  • Давление Онкотическое (Oncotic Pressure) — давление, характеризующее разницу между существующим осмотическим давлением крови и давлением лимфы или тканевой жидкости. Это давление играет важную роль в регуляции поступления воды из крови в тканевые жидкости, и наоборот. (Онкотическое… …   Медицинские термины

  • oncotic — Relating to or caused by edema or any swelling (oncosis). * * * adj. 1. characterized by a tumour or swelling. 2. relating to an increase in volume or pressure. * * * on·cot·ic (ong kotґik) 1. pertaining to, caused by, or marked by swelling. 2.… …   Medical dictionary

  • pressure — 1. A stress or force acting in any direction against resistance. 2. (P, frequently followed by a subscript indicating location)In physics and physiology, the force per unit area exerted by a gas or liquid against the walls of its container or… …   Medical dictionary

  • oncotic — adj. 1) characterized by a tumour or swelling. 2) relating to an increase in volume or pressure …   The new mediacal dictionary

  • iso-oncotic — iso on·cot·ic (i″so on kotґik) having the same oncotic pressure …   Medical dictionary

  • ДАВЛЕНИЕ ОНКОТИЧЕСКОЕ — (oncotic pressure) давление, характеризующее разницу между существующим осмотическим давлением крови и давлением лимфы или тканевой жидкости. Это давление играет важную роль в регуляции поступления воды из крови в тканевые жидкости, и наоборот.… …   Толковый словарь по медицине

  • Starling equation — The Starling equation is an equation that illustrates the role of hydrostatic and oncotic forces (the so called Starling forces) in the movement of fluid across capillary membranes.Capillary fluid movement may occur as a result of two processes:… …   Wikipedia

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