II. Vertebral Foramen Part 1 of 3 Flashcards
What is the typical shape/outline of the vertebral foramen at each region of the spinal column/vertebral column?
cervical - triangular; thoracic - oval; lumbar - triangular; sacrum - triangular
At what vertebral level will the spinal cord typically terminate?
L1
At what vertebral level will the dural sac typically terminate?
S2
Which of the segmental arteries will arise from the internal iliac artery?
the iliolumbar and lateral sacral arteries
Identify all segmental arteries.
vertebral, ascending cervical, deep cervical, superior (highest) intercostal, posterior intercostal, subcostal, lumbar, iliolumbar, lateral sacral and median (middle) sacral
What are the segmental arteries of the cervical spine?
the vertebral artery, ascending cervical artery and deep cervical artery
What are the segmental arteries of the thoracic spine?
the deep cervical artery, superior (highest) intercostal artery, posterior intercostal artery and subcostal artery
What are the segmental arteries of the lumbar spine?
the lumbar arteries, iliolumbar artery, lateral sacral artery and median (middle) sacral artery
What are the segmental arteries of the fifth lumbar vertebra?
the iliolumbar artery, lateral sacral artery and median (middle) sacral artery
What are the segmental arteries of the sacrum thoracic spine?
the iliolumbar artery, lateral sacral artery and median (middle) sacral artery
What segmental levels are supplies by the vertebral artery?
C1 - C6
What segmental levels are supplies by the ascending cervical artery?
C1 - C6
What segmental levels are supplies by the deep cervical artery?
C7 - T1
What segmental levels are supplies by the superior (highest) intercostal artery?
T1, T2
What segmental levels are supplies by the posterior intercostal artery?
T3 - T11
