di·aph·y·sis (dī-āf'ĭ-sĭs) n.
pl.di·aph·y·ses (-sēz') Anatomy The shaft of a long bone.
[Greek diaphusis, spinous process of the tibia, from diaphuesthai, to grow between : dia-, dia- + phuesthai, to grow, middle voice of phuein; see bheuə- in Indo-European roots.] di'a·phys'i·al (dī'ə-fĭz'ē-əl), di·aph'y·se'al (dī-āf'ĭ-sē'əl, dī'ə-fĭz'ē-əl) adj.
Main Entry: di·aph·y·se·al Pronunciation: dI-"af-&-'sE-&l, -'zE- Variant: ordi·a·phys·i·al/"dI-&-'fiz-E-&l/ Function: adjective : of, relating to, or involving a diaphysis
Main Entry: di·aph·y·sis Pronunciation: dI-'af-&-s&s Function: noun Inflected Form: pluraldi·aph·y·ses/-"sEz/ : the shaft of a long bone —compare EPIPHYSIS 1