Meaning of “rhesus factor” in the English Dictionary

british dictionary

"rhesus factor" in British English

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rhesus factornoun [ S ]

uk /ˈriː.səs ˌfæk.tər/ us /ˈriː.səs ˌfæk.tɚ/ written abbreviation Rh factor specialized

a substance in the red blood cells of most people that causes the production of antibodies in the blood:

People whose blood contains the rhesus factor are rhesus positive (Rh+) and those whose blood does not contain it are rhesus negative (Rh-).

(Definition of “rhesus factor” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

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