noun (plural epiphyses /-sēz/)
1The end part of a long bone, initially growing separately from the shaft. Compare with diaphysis.
- The skeleton is highly incomplete, consisting of hand and foot bones, epiphyses, ribs, vertebrae, the right ilium, and teeth.
- The use of androgens by adolescents who have not completed their full growth will eliminate further growth by closing the bone epiphyses.
- This growth occurs at the epiphyses, where the main shaft of a bone joins the parts which are shaped to fit a joint at each end.
Mid 17th century: modern Latin, from Greek epiphusis, from epi 'upon, in addition' + phusis 'growth'.
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