See odontoid pegA peg of bone, that forms part of the second cervical vertebra and which protrudes upwards, behind the front part of the ring-shaped first cervical vertebra. This anatomical configuration allows the head to rotate on the neck..
See odontoid pegA peg of bone, that forms part of the second cervical vertebra and which protrudes upwards, behind the front part of the ring-shaped first cervical vertebra. This anatomical configuration allows the head to rotate on the neck..