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English definition of “septal”

septal

adjective uk   /ˈsep.təl/ us    /ˈsep.tl̩/ specialized
relating to the septum (= a thin part dividing tissues or spaces in an organ such as the nose or heart): Septal defect is sometimes known as "hole in the heart".
(Definition of septal from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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