Question

On the basis of development, odontoid process of axis of mammals is

• A. Ribs of axis vertebra
• B. Centrum of atlas
• C. Neural spine of atlas
• D. Centrum of axis

Answer 1

The correct option is B Centrum of atlas

• The odontoid process, also known as the dens, is an upward projectile of bone that arises from the front part of the centre of the axis vertebra.
• This arrangement allows for a lot of freedom of motion between the combination of head, first vertebra (atlas), and 2nd vertebra (axis). Hence, On the basis of development, an odontoid process of the axis of mammals is Centrum of an atlas.

So, the correct answer is 'Centrum of the atlas'.