Great auricular nerve
Plexus: Cervical
Roots:
C2
C3
Origin: 2nd and 3rd spinal nerves
Sensory innervation:
Face, over the parotid gland
Branch: Anterior branch of great auricular nerve
Roots:
C2
C3
Inferior part of the auricle
Branch: Posterior branch of great auricular nerve
Roots:
C2
C3
Mastoid process
Branch: Posterior branch of great auricular nerve
Roots:
C2
C3