Neck Anatomy Flashcards Preview

Semester 3 (M+M) > Neck Anatomy > Flashcards

Flashcards in Neck Anatomy Deck (11)
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1

What are the positions of the IJV and EJV relative to the sternocleidomastoid muscle?

IJV- Internal to SCM
EJV- External to SCM

2

What are the two biggest branches of the external carotid artery?

Superficial temporal (up into temple, ant to ear)
Facial (comes up laterally just under mandible)

3

What structures are supplied by external and internal carotid arteries?

External: Most of head and neck
Internal: Straight into brain (circle of willis)

4

What are the four major structures of the carotid sheath?

Common carotid artery
Internal jugular vein
Vagus nerve
Deep cervical lymph nodes

5

What are the 4 infrahyoid muscles? Which neck triangle are they found in?

Omohyoid, sternohyoid, sternothyroid & thyrohyoid
Muscular triangle (of ant triangle)

6

What are the boundaries of the anterior neck triangle?

Sup: Inferior border of mandible
Post: Ant border of sternocleidomastoid
Ant: Midline of the neck

7

What are the boundaries of the posterior neck triangle?

Inf: Middle 1/3 of clavicle
Post: Ant border trapezius
Ant: Posterior border of sternocleidomastoid

8

Which structures form the floor and roof of the neck triangles?

Floor: Clavicle
Roof: Inferior border of the mandible

9

What is the role of the infrahyoid muscles and what nerve innervates them?

They depress the hyoid bone
Innervated by ansa cervicalis (C1- C3)

10

What sort of joint is the atlanto-axial joint?

Synovial condyloid (can move in two planes- biaxial)

11

What type of joints exist between bodies of the cervical vertebrae?

Synovial cartilaginous joints