Axis vertebra is identified by |
|||||||
a) |
Sigmoid notch |
b) |
Deltoid ridge |
c) |
Odontoid process |
d) |
Centrum |
Axis vertebra is identified by |
|||||||
a) |
Sigmoid notch |
b) |
Deltoid ridge |
c) |
Odontoid process |
d) |
Centrum |
(c)
Axis is the second cervical vertebra, which is identified by a prominent odontoid process. The odontoid process of axis vertebra fits in the odontoid fossa of first cervical vertebera ( atlas) forming the actual pivot joint at which the skull rotates around together with the atlas.