Spinal Chord Flashcards Preview

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Flashcards in Spinal Chord Deck (14)
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1
Q

Erector Spine Muscles 3

A

Illocostalis thoracis(high)/lumborum (low)-most distil

Longassicis thoracis-2nd most medial

Spinalis-most medial

2
Q

Vertebral canal

A

Under lamina

3
Q

Ligamentum flava

A

Under laminae

-extends between and covers dura mater/sac

4
Q

Dura mater and dura sac functions

A

Dura mater covers the dura sac

5
Q

Epidural space

A

Space between dura mater and bony vertebral arch

6
Q

Spinal gangia

A

coming out laterally of dura mater

fat part

7
Q

Arachnoid

A

Under the dura mater

Usually fluid filled and pushed up against dura mater-collapsed in disection

Covers the surface of the spinal chord

8
Q

Conus medullaris

A

tapering inferior end of spinal chord

9
Q

cauda equina

A

composed of both dorsal and ventral roots

roughly around after l5

10
Q

Dorsal and ventral roots

A

coming off the dural sac

11
Q

denticulate ligament

A

separates dorsal and ventral roots as they leave dural sac

12
Q

Spinal nerve

A

under arachnoid

13
Q

dorsal root ganglion

A

i think this is same as spinal gangion

14
Q

Ventral ramus and dorsal ramus

what do these come from

A

ventral is the large branch and smaller branch is the dorsal ramii

dorsal root ganglia divides into these