Intervertebral Foramen: Contents

Question 1

What are the generic contents of the intervertebral foramen?

Answer 1

Neural Tissue
Connective Tissue
Vascular Tissue
Lymphatic Tissue

Question 2

What is the percent of neural tissue in the intervertebral foramen?

Answer 2

From 8-50%

Question 3

What are medullary feeder arteries?

Answer 3

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

Question 4

What is the name of the largest medullary feeder artery?

Answer 4

Artery of Adamkiewicz or Arteria Radicalis Magna Anterior

Question 5

What are the characteristics of the artery of adamkiewicz?

Answer 5

L side
Anterior medullary feeder A
Located in T9/T10 intervertebral foramen
Primary vascular supply to lumbar enlargment

Question 6

What ligament lies next to the anterior internal vertebral venous plexus?

Answer 6

Posterior longitudinal ligament

Question 7

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

Answer 7

Appear to lack valves

Question 8

What size lymphatic vessels lie in the intervertebral foramen?

Answer 8

Medium Sized Lymphatics

Question 9

What types of CT will be present in the intervertebral foramen?

Answer 9

Adipose tissue and Loose areolar CT