TY - CHAP
T1 - Neurovascular anatomy
T2 - Spine
AU - Gregg, Lydia
AU - Gailloud, Philippe
N1 - Publisher Copyright:
© 2021 Elsevier B.V.
Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.
PY - 2021/1
Y1 - 2021/1
N2 - The arterial supply of the spinal cord is provided by the spinal branch of the cervical, thoracic, and lumbar intersegmental arteries. While supply is initially provided at each embryonic segment, only a few prominent anterior radiculomedullary arteries remain at the adult stage, including the arteries of the cervical and lumbosacral enlargements as well as a constant upper thoracic contributor. The spinal cord is surrounded by the vasocorona, an arterial network that includes several longitudinal anastomotic chains, notably the anterior and posterior spinal arteries, which respectively supply the central and peripheral components of the intrinsic vascularization. The intrinsic venous circulation is also divided into central and peripheral components. The perimedullary venous system includes several longitudinal anastomotic chains interconnected by the coronary plexus. The radiculomedullary veins loosely follow the spinal nerve roots on their way to the epidural plexus. Their point of passage through the thecal sac forms an important valve-like structure, the antireflux mechanism.
AB - The arterial supply of the spinal cord is provided by the spinal branch of the cervical, thoracic, and lumbar intersegmental arteries. While supply is initially provided at each embryonic segment, only a few prominent anterior radiculomedullary arteries remain at the adult stage, including the arteries of the cervical and lumbosacral enlargements as well as a constant upper thoracic contributor. The spinal cord is surrounded by the vasocorona, an arterial network that includes several longitudinal anastomotic chains, notably the anterior and posterior spinal arteries, which respectively supply the central and peripheral components of the intrinsic vascularization. The intrinsic venous circulation is also divided into central and peripheral components. The perimedullary venous system includes several longitudinal anastomotic chains interconnected by the coronary plexus. The radiculomedullary veins loosely follow the spinal nerve roots on their way to the epidural plexus. Their point of passage through the thecal sac forms an important valve-like structure, the antireflux mechanism.
KW - Anterior spinal artery
KW - Central vein
KW - Intersegmental artery
KW - Neurovascular anatomy
KW - Posterior spinal artery
KW - Radiculomedullary vein
KW - Spinal artery
KW - Spinal vein
KW - Sulcocommissural artery
UR - http://www.scopus.com/inward/record.url?scp=85096860487&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85096860487&partnerID=8YFLogxK
U2 - 10.1016/B978-0-444-64034-5.00007-9
DO - 10.1016/B978-0-444-64034-5.00007-9
M3 - Chapter
C2 - 33272403
AN - SCOPUS:85096860487
T3 - Handbook of Clinical Neurology
SP - 33
EP - 47
BT - Handbook of Clinical Neurology
PB - Elsevier B.V.
ER -