Relating to or affecting the clavicle (collarbone) or clavus (nail-like projection); of or pertaining to keys or nails.
From Latin 'clavis' (key, nail) or 'claviculum' (small key/collarbone) + '-al' (adjective suffix). Medical and anatomical terminology.
The clavicle is called a 'clavicle' because to medieval anatomists, this bone looked like a small key—fascinating how they named our bones based on shape rather than function.
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