Diaphysis

Diaphysis

Diaphysis

Shaft of a long bone, containing bone marrow

The diaphysis (pl.: diaphyses) 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).

Quick Facts Details, Pronunciation ...

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 sarcoma tends to occur at the diaphysis.[3]

Additional images

  • Long bone

See also

References

  1. [1]
    OED 2nd edition, 1989.
  2. [2]
    Entry "diaphysis" in Merriam-Webster Online Dictionary.
  3. [3]
    Physical Medicine and Rehabilitation Board Review, Cuccurullo


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