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

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

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