Intervertebral Disc: Innervation

Question 1

What are the types of receptor endings in the intervertebral disc?

Answer 1

Nociceptors and Proprioceptors

Question 2

What is the relationship between size of the intervertebral disc and receptor endings?

Answer 2

The larger the disc, the greater the variety of receptor endings.

Question 3

What part of the intervertebral disc is innervated by the recurrent meningeal/sinu-vertebral/sinus vertebral nerve?

Answer 3

Outer lamellae of the annulus fibrosus at the posterior part of the intervertebral disc

Question 4

What forms the anterior neural plexus of the vertebral column?

Answer 4

Fibers from the ventral primary ramus

Question 5

What forms the lateral neural plexus of the vertebral column?

Answer 5

Fibers from ventral primary ramus
Fibers from white ramus communicans
Fibers from paradiscal ramus communicans
Fibers from gray ramus communicans

Question 6

What is the name given to the white ramus communicans which becomes embedded within the annulus fibrosus of the intervertebral disc?

Answer 6

Paradiscal ramus communicans

Question 7

What part of the intervertebral disc is innervated by fibers from the paradiscal ramus communicans?

Answer 7

The outer lamellae of the annulus fibrosus at the lateral part of the intervertebral disc.