Rh factor
noun Etymology: rhesus monkey (in which it was first detected) Date: 1942 any of one or more genetically determined antigens present in the red blood cells of most persons and of higher animals and capable of inducing intense immunogenic reactions

New Collegiate Dictionary. 2001.

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  • Rh factor — ☆ Rh factor [är′āch′ ] n. [ RH(ESUS): from having been discovered first in the blood of rhesus monkeys] a group of antigens, determined by heredity and usually present in human red blood cells, which may cause hemolytic reactions during pregnancy …   English World dictionary

  • RH factor — (= Rh factor) Rhesus factor: see rhesus blood group …   Dictionary of molecular biology

  • Rh factor — Rh factor. См. резус фактор. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Rh factor — 1942, from the first letters of RHESUS (Cf. rhesus); so called because the blood group, and its effects, were discovered in the blood of rhesus monkeys (1941) …   Etymology dictionary

  • Rh-factor — ● rhesus …   Useful english dictionary

  • Rh factor — noun a blood group antigen possessed by Rh positive people; if an Rh negative person receives a blood transfusion from an Rh positive person it can result in hemolysis and anemia • Syn: ↑rhesus factor, ↑Rh • Hypernyms: ↑antigen * * * noun also rh …   Useful english dictionary

  • Rh factor — An antigen found in the red blood cells of most people: those who have Rh factor are said to be Rh positive (Rh+), while those who do not are Rh negative (Rh ) Blood used in transfusions much match donors for Rh status as well as for ABO blood… …   Medical dictionary

  • Rh factor — [[t]ɑ͟ːr e͟ɪtʃ fæktə(r)[/t]] N UNCOUNT The Rh factor is the same as the rhesus factor …   English dictionary

  • Rh factor — Rh fac|tor [ ,ar eıtʃ ,fæktər ] noun singular MEDICAL a substance found in the red blood cells of most people. People who have it are called RH positive and cannot share blood with people who do not, who are called RH negative …   Usage of the words and phrases in modern English

  • RH factor — RH fac|tor [ˌa:r ˈeıtʃ ˌfæktə US tər] n [singular] the ↑Rhesus factor …   Dictionary of contemporary English

  • Rh factor — /arˈeɪtʃ fæktə / (say ahr aych faktuh) noun an agglutinogen often present in human blood. Blood containing this factor (Rh positive) may cause haemolytic reactions, especially during pregnancy or after repeated transfusions with blood lacking it… …   Australian English dictionary

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