diaphyseal

adjective
di·​aph·​y·​se·​al | \ dī-ˌaf-ə-ˈsē-əl How to pronounce diaphyseal (audio) , -ˈzē- How to pronounce diaphyseal (audio) \
variants: or diaphysial \ ˌdī-​ə-​ˈfiz-​ē-​əl How to pronounce diaphysial (audio) \

Medical Definition of diaphyseal

: of, relating to, or involving a diaphysis