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diaphysis

American  
[dahy-af-uh-sis] / daɪˈæf ə sɪs /

noun

Anatomy.

plural

diaphyses
  1. the shaft of a long bone.


diaphysis British  
/ ˌdaɪəˈfɪzɪəl, daɪˈæfɪsɪs /

noun

  1. the shaft of a long bone Compare epiphysis

"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

Other Word Forms

  • diaphyseal adjective
  • diaphysial adjective

Etymology

Origin of diaphysis

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In young subjects before the bones are fully developed the epiphyses may be separated from the diaphyses.

From Project Gutenberg

The effusions were most strongly marked in cases of fractures of the diaphyses, although this was more noticeable in some situations than others.

From Project Gutenberg

The diaphysis is also nourished by numerous blood vessels from the periosteum, which penetrate the cortex through the Haversian canals and anastomose with those derived from the nutrient artery.

From Project Gutenberg

Fragilitas of the bone probably exists in many cases when fracture of its diaphysis occurs.

From Project Gutenberg

In the caves that were inhabited by man, however, we find the apophyses neglected, whilst the diaphyses are split open.

From Project Gutenberg