noun, plural diaphyses [dahy-af-uh-seez] . Anatomy.
the shaft of a long bone.

1825–35; < Neo-Latin < Greek, equivalent to diaphȳ́(esthai) to grow between + -sis -sis

diaphysial, diaphyseal [dahy-uh-fiz-ee-uhl] , adjective
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World English Dictionary
diaphysis (daɪˈæfɪsɪs)
n , pl -ses
Compare epiphysis the shaft of a long bone
[C19: New Latin, from Greek diaphusis, from diaphuesthai to grow between, from dia- + phuein to produce]

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Medical Dictionary

diaphysis di·aph·y·sis (dī-āf'ĭ-sĭs)
n. pl. di·aph·y·ses (-sēz')
The shaft of a long bone.

di'a·phys'i·al (dī'ə-fĭz'ē-əl) or di·aph'y·se'al (dī-āf'ĭ-sē'əl, dī'ə-fĭz'ē-əl) adj.
The American Heritage® Stedman's Medical Dictionary
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