In anatomy or Latin texts, referring to something accessory or supplementary, particularly in older medical terminology.
Direct Latin form meaning 'accessory.' Used in anatomical nomenclature and historical scientific texts.
Medieval and Renaissance anatomists used terms like 'accessorius' to label muscles and nerves that seemed 'extra' or supplementary—later science proved these 'mere accessories' were actually essential, a humbling reminder that 'secondary' doesn't mean unimportant.
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