The plural form of 'arcus', a Latin or anatomical term referring to arches or bow-shaped structures, particularly in skeletal anatomy.
Direct plural of Latin 'arcus' meaning 'arch' or 'bow'. In anatomy, it's used to describe various arch-shaped bone structures throughout the body.
In your foot alone, you have multiple arces—the arches that help you walk and absorb shock are literally called 'arces plantares' in Latin, showing how anatomists borrowed architectural language to describe body parts.
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