Organization Of The Body - Module 2 - Divisions Of The Back

Bones From The Neck To The Tailbone
  
Created Feb 23, 2010
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Side ASide B
Spinal Column
Bones from the neck to the tailbone.
Vetebra
Each bone in the spinal column (backbone)
Vertebrae
Two or more Vertebra.
Cervical Division
Neck.  Has 7 bones labeled C1-C7.
Thoracic Division
Chest.  Has 12 bones labeled T1-T12.
Lumbar Division
Waist or Loin.  Has 5 bones labeled L1-L5.
Sacral Division
Sacrum or lower back.  Has 5 fused bones labeled S1-S5.
Coccygeal Division
Coccyx or Tailbone.  Has 4 fused bones.
C1-C7
Cervical Bones (Neck)
T1-T12
Thoractic Bones.
L1-L5
Lumbar Bones.
S1-S5
Sarcral bones (lower back).
Disk or Disc
Flexible connective tissue that lies between each backbone.  It's composed of Cartlidge.
Cartlidge
Cusion between the bones (considered the Disk or Disc).


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