A plural or variant form referring to small structural additions or projections found in anatomical contexts.
Greek root 'epi-' (upon, over) combined with '-tra,' a diminutive or collective suffix. The term remains largely historical and appears mainly in older medical texts.
This word is so obscure that even modern medical dictionaries struggle with it—it's a reminder that medical terminology isn't always logical, and many terms from the 19th century were created by different scholars with different naming philosophies.
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