Cervical Plexus Flashcards
1
Q
how is the cerival plexus formed
A
it is formed from the ventral rami C1 - 4
- loops attaching to one and other
- Overlies the middle scalene muscle, deep to SCM
2
Q
What does the lesser occipital nerve innervate? and is spinal level
A
it supplis the cutaneous skin of the posterior lateral neck and scalp.
arises from vertebral C2/3
3
Q
what is the function of the greater auricular nerve
A
supplies the skin over the angle of the mandible to the chin. arises from C2/3
4
Q
What is the function of the transverse cervical nerve
A
it supplies the skin of the anterior triangle
5
Q
what is the function of the supraclavicular nerve
A
supplies the skin over the anterolateral neck and shoulders
6
Q
what are the muscular branches of the cervical plexus
A
- hypoglossal nerve (Cn XII) supplies the hyoid muscles
- SCM - Accessory nerve (Cn XI) (C2/3)
- Traps - Accessory nerve (Cn XI) (C3/4)