Diaphysis
Diaphysis | |
---|---|
A long bone, with diaphysis labeled at right. | |
Details | |
Pronunciation | /daɪˈæfɪsɪs/[1][2] |
Part of | Long bones |
Identifiers | |
MeSH | D018483 |
TA | A02.0.00.017 |
FMA | 24013 |
Anatomical terminology [edit on Wikidata] |
The diaphysis is the main or midsection (shaft) of a long bone. It is made up of cortical bone and usually contains bone marrow and adipose tissue (fat).
It is a middle tubular part composed of compact bone which surrounds a central marrow cavity which contains red or yellow marrow. In diaphysis, primary ossification occurs.
Ewing's sarcoma tends to occur at the diaphysis.[3]
Additional images
Long bone
See also
- Metaphysis
- Epiphysis
References
^ OED 2nd edition, 1989, as /daɪˈæfɪsɪs/.
^ Entry "diaphysis" in Merriam-Webster Online Dictionary.
^ Physical Medicine and Rehabilitation Board Review, Cuccurullo
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