Sensory supply of from external auditory meatus
The skin lining the anterior half of the meatus is supplied by the auriculotemporal nerve, and that lining the posterior half, by the auricular branch of the vagus. Ref: BD Chaurasia's HUMAN ANATOMY, Volume 3, 6th edition 368
Pterygomandibular ganglion
Geniculate ganglion
Facial nerve nucleus
Auriculotemporal nerve
Head and neck