oncoticadj.
/ɒŋˈkɒtɪk/, U.S. /ɑnˈkɑdɪk/, /ɑŋˈkɑdɪk/ Medicine and Physiology.
Relating to or designating the osmotic pressure exerted by a colloid, esp. plasma protein.
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the world > life > biology > biological processes > movement > [adjective] > osmosis
osmoregulatory1911
oncotic1935
1935 C. J. Wiggers Physiol. Health & Dis. li. 802 Starling demonstrated that colloids in a sol state exert a small osmotic pressure, but this varies in uncontrollable fashion owing to the fact that colloidal molecules or aggregates called micellae vary considerably. This has tersely been called oncotic pressure.
1975 Anesthesia & Analgesia 54 1 The coagulation factors and oncotic properties of plasma protein.
1977 Proc. Royal Soc. Med. 70 693/1 A reduction in oncotic pressure due to hypoproteinaemia.
1986 Clinical-science 70 595 The use of bovine serum albumin as oncotic agent in the perfusate prevented the tubular reabsorption of myoglobin.
2001 Radiation Res. 155 474 The change in glomerular capillary permeability due to an experimental oncotic gradient was determined.
This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022).
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