blood supply spine

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%