Intervertebral disc; cartilaginous end plate & transition zone Flashcards Preview

spinal anatomy > Intervertebral disc; cartilaginous end plate & transition zone > Flashcards

Flashcards in Intervertebral disc; cartilaginous end plate & transition zone Deck (17):
1

What is the thinnest part of the cartilage end plate?

the central part, over the nucleus pulposus

2

What part of the vertebral body will the cartilage end plate cover?

the cancellous bone at the top or bottom of the vertebral body

3

what is the principal type of collagen fiber within the cartilage end plate?

the type ii collagen fiber

4

What is the direction of collagen fibers within the cartilage end plate?

collagen fibers are aligned anterior to posterior

5

What is the attachment site for collagen fivers of the inner lamellae of the annulus fibrosus?

the cartilaginous end plate

6

What cell type is associated with the cartilage end plate?

chondrocytes

7

What part of the intervertebral disc is the "growth plate"?

the transition zone

8

What is the area of maximum metabolic activity in the intervertebral disc?

the transition zone

9

What part of the intervertebral disc will exhibit constant remodeling?

the transition zone

10

What part of the cervical intervertebral disc is highly innervated?

the middle third of the annulus fibrosus

11

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

nociceptors and proprioceptors

12

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

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

13

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

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

14

What forms the anterior neural plexus of the vertebral column?

fibers from the ventral primary ramus

15

What forms the lateral neural plexus of the vertebral column?

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

16

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

the paradiscal ramus communicans

17

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

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