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Flashcards in Anterior Triangle of the Neck Deck (42)
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1

What divides the anterior from the posterior triangle?

Sternocleidomastoid

2

What are the boundaries of the anterior triangle?

Anterior border: Imaginary midline of the neck
Posterior Border: Anterior border of SCM
Base: Mandible

3

What are the divisions of the anterior triangle?

Sub-mental, Sub-mandibular, Carotid and Muscular

4

What is apart of the Sub-mental division?

Submental lymph nodes, beginning of anterior jugular vein

5

What is apart of the Sub-mandibular division?

Submandibular salivary gland, lymph nodes, fascial artery and vein, carotid sheath and hypoglossal nerve

6

What is apart of the Carotid division?

Carotid sheath, branches of external carotid artery, internal jugular vein, hypoglossal, accessory and vagus nerves

7

What is apart of the Muscular division?

Sternohyoid and sternothyroid form the floor beneath which likes the thyroid gland, larynx, trachea and oesophagus

8

Proximal attachment of Platysma?

Fascia above pectorals major and clavicle

9

Distal attachment of Platysma?

Lateral neck and onto mandible

10

What innervates the Platysma?

Facial nerve CN VII

11

What are the veins in the anterior neck?

External anterior and Internal posterior jugular veins

12

What may be absent in the anterior neck?

Anterior jugular midline

13

What is the origin of the cervical plexus?

Anterior rami C1-4

14

What is the cervical plexus joined into?

Loops that lie anterior to elevator scapulae and scalenus medius

15

What is the cervical plexus covered by?

Pre-vertebral layer of deep cervical fascia

16

What sensory does the cervical plexus have?

Somatic motor and sensory

17

What is between the hyoid bone and the skull or mandible?

Suprahyoid

18

What is between the hyoid bone and the sternum or thyroid cartilage?

Infrahyoid

19

What is the function of supra hyoid muscles?

Raise hyoid bone or depress mandible

20

What innervates the supra hyoid muscles?

Facial nerve and mandible division of trigeminal CN VIII

21

What is the function of infra hyoid muscles?

Depress hyoid bone and thyroid cartilage

22

What innervates the infra hyoid muscles?

Ansa cervicali except thyrohyoid (C1 via hypoglossal CN XII

23

Where does LCA arise from?

Arch of aorta

24

Where does the RCA arise from?

Brachiocephalic

25

What are the two branches of common carotid?

Internal and external

26

Where does the internal carotid go?

To the brain

27

Where does the external carotid go?

To head, face and neck

28

Where is the common carotid artery within?

The carotid sheath with internal jugular vein and vagus nerve

29

What are the three external carotid artery?

Superior thyroid, lingual and facial arteries

30

What is the abbreviation of the Vagus nerve?

CN X