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English definition of “gyrus”

gyrus

noun [C] uk   /ˈdʒaɪ.rəs/ us    /ˈdʒɑɪ.rəs/ (plural gyri) specialized
one of the many rounded raised parts on the surface of the brain
(Definition of gyrus from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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