Intervertebral Disc Flashcards Preview

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Flashcards in Intervertebral Disc Deck (12)
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1

The IVD is fibrocartilaginous sandwich with outer ______ and inner _____ collagen fibers.

Type 1 - outer
Type II - Inner

2

The outer part, annulus fibrosus, has _____ concentric laminae fibers.

15-20

3

The fibers of the annulus angle about ____ degrees to the vertebral body. (____ to the vertical.)

30
(65)

4

The nucleus purposes has a ______ consistency and is located where in the lumbar region?

Gelatinous
posterocentrally

5

The nucleus pulposus contains what that attracts water?

proteoglycans

6

Which part of the annulus fibrosus is innervated?

Outer 1/3

7

What innervated the AF posteriorly?

sinuvertebral (recurrent meningeal)

8

What innervated the AF anterolaterally?

Sensory nerves from the grey sympathetic ram communicans

9

The IVD is not well vascularized and is nourished how?

By diffusion

10

The diffusion (aka ______) is facilitated by what?

imbibition
movment

11

How many IVD are there?

23

12

Where is there NOT a vertebral disc?

C1/C2