epiphyseal
adjective medical specialized uk/ˌep.ɪˈfɪz.i.əl/ us/ˌep.ɪˈfɪz.i.əl/
骨端的，骨骺的
relating to the epiphysis (= the rounded end of a long bone where it joins another bone)
Epiphyseal fractures are serious because bone marrow is lost through the fracture site. 骺骨折是非常严重的，因为骨髓会在折断处流失。