Exam 3 Study Guide Spinal Nerves Flashcards Preview

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Flashcards in Exam 3 Study Guide Spinal Nerves Deck (27)
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Q

Name the structure which carries the axon of neurons in the dorsal root ganglion.

A

Dorsal root of spinal cord

1
Q

Name the vertebral segment, which carry the axons of neurons in the lateral grey columns?

A

T1 - L2/L3

2
Q

Name the type of the neurons in the dorsal root ganglion?

A

Unipolar neurons

3
Q

Where do the ventral and dorsal roots perforate the dura mater?

A

Just lateral to the spinal ganglion

4
Q

Where the dorsal root ganglia of the 1st and 2nd cervical nerves lies on?

A

Vertebral arches of axis and atlas

5
Q

Where are the spinal ganglia of the sacral nerves located in?

A

Located in the vertebral canal

6
Q

The spinal ganglia of the sacral nerve are usually located within the ____________.

A

Vertebral canal

7
Q

Where do the gray ramus communicans from the corresponding ganglion of the sympathetictrunk join?

A

At or immediately distal to its origin, the ventral ramus of each spinal nerve is joined by a grey ramus communicans from the corresponding ganglion of the sympathetic trunk.

8
Q

Name the vertebral segment, where the ventral rami of the spinal cord contribute white rami communicant to the each corresponding sympathetic ganglion.

A

T1-L3

9
Q

The ventral rami of the thoracic & the 1st & 2nd lumbar nerve contribute ________ to the corresponding sympathetic ganglia, and receive _________ from the ganglia.

A

White ramus communicans.

Gray ramus communicans.

10
Q

Name the part of the corresponding spinal nerve, where the recurrent meningeal nerve emerges.

A

In the intervertebral foramen.

11
Q

Name the vertebral segments, where the white rami communicans emerges.

A

T1-L2/3

12
Q

Name the segments of the spinal cord, which contain the preganglionic efferent fibers of the sympathetic nerve.

A

T1-L2/3

13
Q

Name the vertebral segments, where the pelvic splanchnic nerves emerge.

A

S2-4

14
Q

The borders of an intervertebral foramen are?

A

Anterior, posterior and superior.

15
Q

Name the structure, which are located within the intervertebral foramina.

A

spinal artery, a plexus of spinal veins & its own recurrent meningeal nerve.

16
Q

Name the type of neurons in the anterior grey column of the spinal cord.

A

α, β, & γ neurons in the anterior grey column of the spinal cord.

17
Q

The recurrent meningeal nerves of the corresponding spinal nerve receive one or more
communications from neighboring white ramus communicantes from a thoracic & upper lumbarsympathetic ganglion. True/False

A

False. Gray ramus communicans

18
Q

Name all possible targets, which are innervated by the recurrent meningeal nerve of the spinal nerve.

A

the dura mater, the wall of blood vessels, the periosteum, ligaments & intervertebral disc.

19
Q

The upper three cervical meningeal nerves are distributed to the cerebral dura mater of the ____ cranial fossa.

A

Posterior

20
Q

Name two functional nerve fibers, which pass through the ventral root at the T5 spinal cord.

A

Somatic and visceral efferent

21
Q

The recurrent meningeal branches of the spinal nerves are present at all vertebral levels.True/False

A

True, with two to our filaments on each side.

22
Q

Name two ligaments, which the recurrent meningeal nerve of the spinal nerve supplies at the L1spinal cord level.

A

Posterior longitudinal ligament, ligamentum flavum.

23
Q

Name the nerves, which are distributed to the cerebral dura mater of the posterior cranial fossa.

A

The upper three cervical meningeal nerves

24
Q

Name the vertebral segments, which have visceral efferent fibers in the ventral roots.

A

T1-L2/3, S2,3,4

25
Q

The C1 dorsal ramus is smaller than the ventral ramus. True/False

A

False, C1/2 are larger.

26
Q

Name the dorsal rami of the spinal nerves, which does not divide into medial and lateral branches.

A

C1 dorsal ramus