Final Intervertebreal Disc: Innervation

Question 1

What part of the cervical intervertebral disc is highly innervated

Answer 1

The middle third of the annulus fibrosus

Question 2

What are the types of receptor endings in the intervertebral disc

Answer 2

Nociceptive and proprioceptors

Question 3

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

Answer 3

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

Question 4

The recurrent meningeal/sinu vertebral/sinus vertebral nerve has typically been shown to originate from which source

Answer 4

The gray ramus communicans

Question 5

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

Answer 5

The outer lamellae of the annulus fibrosus at the posterior part of the intervertebral disc

Question 6

What forms the anterior neural plexus of the vertebral column

Answer 6

Fibers from the ventral primary ramus

Question 7

What forms the lateral neural plexus of the vertebral column

Answer 7

Fibers from the ventral primary ramus, fibers from the white ramus communicans, fibers from the paradiscal ramus communicans, fibers from the gray ramus communicans

Question 8

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

Answer 8

The paradiscal ramus communicans

Question 9

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

Answer 9

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

Question 10

What part of the intervertebral disc is innervated

Answer 10

The outer lamellae of the annulus fibrosus