Week 8: Cervical Nerves Flashcards Preview

First Semester: Gross Anatomy 1 > Week 8: Cervical Nerves > Flashcards

Flashcards in Week 8: Cervical Nerves Deck (18)
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1
Q

Spinal nerves are connected to spinal cord via

A

dorsal and ventral roots

2
Q

Spinal nerves emerge through ___ _____ and branch into

A

intervertebral foramina

dorsal and ventral branches

3
Q

Dorsal branches of spinal nerves supply

A

epaxial muscles

4
Q

Ventral branches of spinal nerves supply

A

hypaxial muscles

5
Q

How many cervical spinal nerves?

A

8

6
Q

How many cervical vertebrae

A

7

7
Q

First pair of cervical spinal nerves emerge through

A

lateral vertebral foramina of the atlas

8
Q

Cervical spinal nerves 2-7 emerge (cranial or caudal) to their corresponding cervical vertebrae?

A

Cranial

9
Q

Cervical spinal nerve 8 emerges (cranial or caudal) to corresponding cervical vertebrae 7?

A

Caudal

10
Q

Thoracic spinal nerves 1-13 and lumbar spinal nerves 1-7 will emerge (cranial or caudal) to their corresponding vertebrae?

A

Caudal

11
Q

First two sacral spinal nerves emerge through

A

the sacral foramina (dorsal and pelvic sacral foramina)

12
Q

Third sacral spinal nerve emerges between

A

the intervertebral foramen, between the sacrum and first caudal vertebrae

13
Q

What passes through the transverse foramina of cervical vertebrae 1-6

A

Vertebral artery, vein, and nerve

14
Q

Where is the second cervical spinal nerve located?

A
  • Immediately caudal to the wing of the atlas

- Emerges between the cleidomastoideus and the omotransversarius

15
Q

The ventral branches of the cervical spinal nerves penetrate what?

A

The omotransversarius

16
Q

Cranial nerve XI is also known as

A

Spinal accessory nerve

17
Q

Path of spinal accessory nerve

A
  • Crosses first cervical spinal nerve in it’s caudal course to supply the trapezius.
  • Courses between the brachiocephalicus and trapezius, dorsal to the omotransversarius
18
Q

Two branches of cervical spinal nerve 2

A

Great auricular nerve

Transverse cervical nerve