Posterior Cervical Region Flashcards Preview

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Flashcards in Posterior Cervical Region Deck (20):
0

What is the carotid sheath?

Covering of the carotid artery part of pretracheal layer

1

Where does the carotid sheath arise and terminate?

Cranial base to the root of neck

2

What is the lesser supraclavicular fossa?

The space that inferiorly separates the 2 heads of the SCM

3

What forms the borders of the posterior cervical region?

Posterior SCM and anterior trapezius

4

What forms the roof of the posterior cervical triangle?

Investing layer of the deep cervical fascia

5

What forms the floor of the posterior cervical triangle?

Prevertebral layer of the deep cervical fascia
(Splenius capitis, levator scapulae, middle scalenes, posterior scalenes)

6

Where is the cervical plexus?

C1-C4 (anterior rami)

7

Where is the brachial plexus?

C5-T1 (anterior rami)

8

Where is the supraclavicular nerve root?

C3-C4

9

What are the 3 layers of the deep cervical fascia?

Investing, pretracheal, prevertebral

10

What is the purpose of deep cervical fascia?

Provide slipperiness for passage over each other

11

Where is investing layer located?

Around entire neck

12

Where is the pretracheal layer located and what does it enclose?

Anterior neck
Encloses infra hyoid muscle, thyroid, trachea, and esophagus

13

What does prevertebral layer enclose?

Vertebral column, scalenes, longus colli, deep cervical muscles

14

What are the 2 heads of the SCM and what are they separated by?

Sternal and clavicular heads
Separated by lesser supraclavicular fossa

15

List the nerves of the cutaneous branch, their origins, and their supply

Lesser occipital nerve (C2): skin of neck and scalp
Great auricular nerve (C2-C3): skin and sheath over parotid gland
Transverse cervical nerve (C2-C3): skin over anterior cervical region

16

What types of fibers do the phrenic nerves have?

Motor, sensory, and sympathetic

17

Where do the phrenic nerves originate and what do they supply?

C3-C5: diaphragm, mediastinal pleura, pericardium

18

Veins of the posterior cervical region

External jugular vein
Subclavian vein

19

Arteries of the posterior cervical region?

Transverse cervical artery (cervicodorsal trunk)
Suprascapular artery
Occipital artery