5 Jan 2013

Parts of the long bone

Parts of the long bone


A long bone consists of two ends and a shaft.

- Each end is called "Epiphysis" formed of spongy bone and is covered by a layer of hylaine "articular cartilage".

- The epiphysis is separated from the shaft by epiphyseal cartilage.

- The shaft is called "Diaphysis" formed of cylinder of compact bone.

- The region of the shaft close to epiphyseal cartilage is called "Metaphysis".

-The shaft encloses medullary cavity filled with bone marrow.

- The shaft is covered with periosteum.

- The medullary cavity is lined with a membrane called " Enosteum"

 

* Illustrations :








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