what is the trigeminal nerve responsible for
Trigeminal nerve. The trigeminal nerve is the fifth cranial nerve located within the brain, and is primarily responsible for transmitting sensations from the face to the brain. It is composed of three branches: the ophthalmic, maxillary, and mandibular.Each branch connects nerves from the brain to different parts of the face.he trigeminal nerve is responsible for transmitting sensations to the mouth, teeth, face, and nasal cavity.