A small bony projection located above a condyle, especially on long bones like the humerus in the upper arm.
From Greek 'epi' (upon) + 'kondylos' (knuckle or joint ball) + '-yle' (small form). Named for its position above the main condyles where bones meet.
Your elbows have two epicondyles—the medial (inside) one is what you hit when you smack your funny bone, and it's actually the ulnar nerve, not bone, causing that weird sensation.
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