Bones

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Bones. Skeleton consists of 206 bones. Subdivisions. Axial Appendicular. Axial Skeleton. Bones are organs composed of the following tissues:. Bone tissue Cartilage Epithelial Fibrous connective tissue Blood connective Nervous tissue. Shapes of Bones. Long –vs- Irregular Bone. - PowerPoint PPT Presentation

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Bones

Skeleton consists of 206 bones.

Subdivisions

• Axial• Appendicular

Axial Skeleton

Bones are organs composed of the following tissues:

• Bone tissue• Cartilage• Epithelial• Fibrous connective tissue• Blood connective • Nervous tissue

Shapes of Bones

Long –vs- Irregular BoneIrregular Bone

Types of Bone Growth

• Intramembranous• Skull

– Comes from primitive connective tissue cells

• Endochondral• All other

– Comes from cartilage

Endochondral Bone Growth

Endochondral

Spongy –vs-Compact

• Spongy found in the expanded end region of long bones and fills irregular space.

• Compact on outer bone and shafts of long bones.

Intramembranous Bone Growth

Bone Fractures

Broken Bone

Fractures heal more quickly:

-in young individuals

-in upper limbs as opposed to lower limbs

-in spongy bones –vs- compact bone

Bone Fracture Film

http://video.about.com/orthopedics/Fractures-1.htm

How recent?

Skull

Cervical Vertebrae

Labwork

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