Skeletal system - vertebral column, Biology

VERTEBRAL COLUMN -

  • It is curved vertical about 70 cms. long.
  • It consists of 33 vertebrae (after fusion 26).
  • It shows 4 curvatures -

(i) Cervical curvatures

(ii) Thoracic curvatures

(iii) Lumber curvatures

(iv) Sacral curvatures

  • Between vertebrae cartilagenous discs or epiphysis present.
  • Type of centrum in vertebrae is acoelous or amphipalatyne.
  • Vertebrae are of following types -

 

Cervical -         7

 

Thoracic -        12

 

Lumber -         5

Sacral -           1 (5) Caudal -                      1 (4)

 

--------------------

26 (33)

--------------------

750_vertebrae and curvature.png

Posted Date: 10/2/2012 8:33:07 AM | Location : United States







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