Special areas of the neck

Question 1

Borders and content of the posterior triangle for the neck

Answer 1

Borders
P: Trapezius
A: SCM
I: Clavicle

Content: Acccessory nerve (CN 11)
Subclavian artery, subclavian vein, , anterior scalene, external jugular vein, Phrenic nerve.

Question 2

Which vessels comes from the aortic arch?

Answer 2

Brachiocephalic trunk, Left common carotid artery and left subclavian artery.

Question 3

Where does the common carotid artery goes?

Answer 3

Spilt into external and internal carotid a.
Internal carotid artery -> carotid canal going to the cella tursica. Giving blood to the brain.(Middel, anterior and superior)

External carotid artery: TYLIPHAFAOCCATEMA

Question 4

Where does the Subclavian artery goes?

Answer 4

1 branch to the vertebral artery, from C6 and up. coursing medialy going through the foramen magnum - left and right joining together forming the basilar artery

Question 5

External carotid artery

Answer 5

Branch: Fascial a, (can feel the puls inferior to your jaw on the mandible)

Branch: Superficial temporal a,

Branch: Maxillary artery -muscles of the face - > giving a branch: Middel meningeal artery - going through the foramen spinosum and up on the inside of the skull (If you hit the temporal bone -> this can be hurt) at a point known as the “terrion” (Epidural bleeding)

Question 6

What is special about the veins in the head?

Answer 6

There are no valves

Question 7

Which vein is the main drainage of blood from the brain?

Answer 7

Internal jugular vein

Question 8

Give a short breaf of the venous system of the head

Answer 8

Dural venous sinuses - becoming internal jugular vein - giving a branch to the facial vein
Superficial temporal vein - giving one branch to the internal jugular vein and one branch to the external jugular vein,

Question 9

What is the content of omotrapezoid triangle?

Answer 9

Dr. Katz: Nothing

Books: External jugular vein, accessory nerve

Question 10

What is the content of Omoclavicular triangle?

Answer 10

Superior trunk of brachial plexus
Subclavian artery
(External jugular vein) ( Thieme)

Question 11

What is the content of Carotid triangle?

Answer 11

Carotid sheat:
Common carotid artery
Internal jugular vein
Vagus nerve

Question 12

What is the content of Submandibular trigone?

Answer 12

Submandibular gland
Submandibular ganglion
Fascial artery and vein
Submandibular duct
Floor in this area: Mylohyoid muscle