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diaphysis

[dahy-af-uh-sis]
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noun, plural di·aph·y·ses [dahy-af-uh-seez] /daɪˈæf əˌsiz/. Anatomy.
  1. the shaft of a long bone.
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Origin of diaphysis

1825–35; < New Latin < Greek, equivalent to diaphȳ́(esthai) to grow between + -sis -sis
Related formsdi·a·phys·i·al, di·a·phys·e·al [dahy-uh-fiz-ee-uh l] /ˌdaɪ əˈfɪz i əl/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for diaphysis

diaphysis

noun plural -ses (-ˌsiːz)
  1. the shaft of a long boneCompare epiphysis
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Derived Formsdiaphysial (ˌdaɪəˈfɪzɪəl), adjective

Word Origin

C19: New Latin, from Greek diaphusis, from diaphuesthai to grow between, from dia- + phuein to produce
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

diaphysis in Medicine

diaphysis

(dī-ăfĭ-sĭs)
n. pl. di•aph•y•ses (-sēz′)
  1. The shaft of a long bone.
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Related formsdi′a•physi•al (dī′ə-fĭzē-əl) null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.