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SlideshowReport

Structure of Bone

Description
The skeletal system has 6 important functions:

Provides support
Protects the internal organs (brain, heart, etc.)
Assists body movements (in conjunction with muscles)
Stores and releases salts of calcium and phosphorus
Participates in blood cell production (hemopoiesis)
Stores triglycerides in adipose cells of yellow marrow


A long bone consists of several parts:


Diaphysis (bone shaft)
2 epiphyses (both ends of the bone at the joints)
2 metaphyses (region between diaphysis and epiphysis)
Articular cartilage covering both epiphyses
Periosteum (connective tissue surrounding the diaphysis)
Medullary cavity (hollow space within diaphysis)
Endosteum (thin membrane lining the medulary cavity)[/color]



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