ClipArt ETC
The neural canal of first three cervical vertebrae, opened from above to show the internal ligaments. The occiput and foramen magnum are seen to the right. Labels: b, the odontoid ligament; a, the occipitoatloid portion (long adontoid); c, superior common ligament; d, posterior articular cavity of a vertebral centrum.

Neural Canal

The neural canal of first three cervical vertebrae, opened from above to show the internal ligaments.…