Latin genitive form meaning 'of the heart,' used in anatomical and medical terminology to refer to heart-related structures or conditions.
From Latin 'cor' (heart), this is the genitive singular case form used in Latin phrases like 'apex cordis' (apex of the heart) in medical and anatomical nomenclature.
Medical Latin preserved this word perfectly—when doctors use terms like 'apex cordis' or 'pericorditis,' they're using 2,000-year-old Latin case endings that help other doctors worldwide instantly understand they're talking about the heart!
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