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English definition of “AVM”

AVM

noun [C or U]     /ˌeɪ.viːˈem/ US  /ˈeɪˌviːˈem/ (also arteriovenous malformation) specialized
a condition present from birth in which there is a problem with the connection between the arteries and veins in the brain, causing blood from the arteries to flow directly into the veins without passing through the capillaries (= very thin tubes)Disorders and diseases of the heart and blood
(Definition of AVM noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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