Blood supply of spinal cord is through -
Anterior spinal artery
Vertebral artery
Deep cervical artery
All of the above
Ans. is 'd' i.e., All of the aboveArteryBranch ofTerritory of supply1. Anterior spinal artery (1 in number)4th part of vertebral arteryVentral 2/3rd cross section of spinal cord2. Posterior spinal arteries (2 in number)4th part of vertebral artery, sometimes from posterior inferior cerebellar arteryPosterior l/3rd of the cross-section of spinal cord3. Segmental spinal branches(a) Vertebral artery (2nd part)(b) Deep cervical artery(c) Ascending cervical artery(d) Posterior intercostal arteries(e) Lumbar arteries# Subclavian artery# Costocervical trunk of 2nd part of subclavian# Branch of thyrocervical trunk# Thoracic aorta# Abdominal aorta# (a), (b) and (c) supply the cervical segments and uppermost thoracic segments up to T2# (d) and (e) supply rest of the cord
Head & Neck