The trigeminal nerve, the fifth cranial nerve, is one of the twelve cranial nerves and is the largest of them all. It plays a crucial role in sensory perception and motor functions related to the face. This nerve is named "trigeminal" because it divides into three major branches, each responsible for different areas of the face.Ophthalmic Branch (V1): This branch is responsible for sensation in the upper part of the face, including the forehead, eyes, and part of the scalp.Maxillary Branch (V2):

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