Intervertebral Foramen Flashcards Preview

Spinal Anatomy Exam 2 > Intervertebral Foramen > Flashcards

Flashcards in Intervertebral Foramen Deck (9):
1

What percent o total vertebra column length does "true" intervertebral foramina height from C2-S1 equal?

40%

2

What are the generic contents of the intervertebral foramen?

neural tissue, connective tissue, vascular tissue, lymphatic tissue

3

What are medullary feeder arteries?

enlarged radicular arteries which join the arterial vasa corona to provide blood for the spinal cord

4

What is the name of the largest medullary feeder artery?

the artery of Adamkiewicz or the arteria radicalis manga anterior

5

What are the characteristics of the Artery of Adamkiewicz?

it is a left side, anterior medullary feeder artery, located in the T9/T10 intervertebral foramen, an the primary vascular supply to the lumbar enlargement

6

What is the most likely region of the thoracic spina for herniation?

below T8

7

What venous plexus lies next to the posterior longitudinal ligament?

the anterior internal vertebral venous plexus

8

What venous plexus lies next to the ligamentum flavum?

the external vertebral venous plexus or Batson's plexus

9

What is a unique histological feature of the veins of the vertebral foramen?

they appear to lack valves