A hollow space or cavity within the body, particularly used in anatomical terminology.
Latin word 'cavum' literally meaning 'hollow' or 'cave', used directly in medical and anatomical terminology to name body cavities like 'cavum septi pellucidi'.
Medical students learn that 'cavum' appears in dozens of anatomical terms—it's Latin's gift to modern medicine, allowing doctors worldwide to describe body spaces with one universal word.
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