Skeletal system - vertebral column, Biology


  • 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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