Definition : The 5th and largest cranial nerve. The trigeminal nerve is a mixed motor and sensory
nerve. The larger sensory part forms the ophthalmic, mandibular, and maxillary nerves
which carry afferents sensitive to external or internal stimuli from the skin, muscles,
and joints of the face and mouth and from the teeth. Most of these fibers originate
from cells of the trigeminal ganglion and project to the trigeminal nucleus of the
brain stem. The smaller motor part arises from the brain stem trigeminal motor nucleus
and innervates the muscles of mastication. [MeSH];
The 5th and largest cranial nerve. The trigeminal nerve is a mixed motor and sensory
nerve. The larger sensory part forms the ophthalmic, mandibular, and maxillary nerves
which carry afferents sensitive to external or internal stimuli from the skin, muscles,
and joints of the face and mouth and from the teeth. Most of these fibers originate
from cells of the trigeminal ganglion and project to the trigeminal nucleus of the
brain stem. The smaller motor part arises from the brain stem trigeminal motor nucleus
and innervates the muscles of mastication. [MeSH]