Blood Supply Spine
Blood Supply Spine
62 segmental arteries as 31 paired structures branches
- aorta
- subclavian
- vertebral
- internal iliac arteries
Cervical spine
- vertebral artery (77%)
- additional supply is from branches of the subclavian artery (thyrocervical and costocervical)
Cervicothoracic spine
- branch from ascending pharyngeal in 60%