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Showing posts from July 11, 2010

The Vertebral Column - LESSON 211

There are totally 26 bone segments compose the vertebral column or spinal column.  We can arrange these 26 bones of the vertebral column in to five divisions, such as 1.  Cervical (7) 2.  Thoracic (12) 3.  Lumbar (5) 4.  Sacral (1) 5.  Coccygeal (1) Now we will see about these one by one now.  Okay. 1. Cervical (cervix) Vertebral Bones:  These are the first set of bones in the spinal column of 26 bones.  Cervical spine bones are 7 in number.  They are called as C1, C2, C3, C4, C5, C6, and C7.  2.  Thoracic (thorax) Vertebral Bones:  This bone segment is the second set of the vertebral column.  Thoracic bones are 12 in number.  They are known to be T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, and T12.  These 12 bones attach with 12 pairs of rib bones on both sides. 3.  Lumbar (lumbar) Vertebral Bones:  These bones are 5 in number.  Lumbar bones are the third set of vertebral bones.  These bones are large in structure comparing other sets of bones and stronge