A horn-like projection or anatomical structure; in anatomy, a cone-shaped extension of tissue or bone.
From Latin cornu, meaning horn. Used directly in medical and anatomical terminology to describe various horn-shaped structures in the body, particularly in the brain and reproductive system.
Doctors borrowed the Latin word 'cornu' to describe horn-shaped body parts because they literally look like horns—there are cornua (plural) in your brain's ventricles and reproductive organs!
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