The origin of the trigeminal nerve is the annular protuberance at the limit of the cerebellar peduncles . It originates from three sensory nuclei (mesencephalic, principal sensory, spinal nuclei of trigeminal nerve) and one motor nucleus (motor nucleus of the trigeminal nerve) extending from the midbrain to the medulla.
The motor division of the trigeminal nerve derives from the basal plate of the embryonic pons, and the sensory division originates in the cranial neural crest. Trigeminal nerve nuclei · Ophthalmic nerve · Mandibular nerve · Maxillary nerve |
Origin. The sensory root of trigeminal nerve originates in the pons. It emerges from the lateral surface of the pons, roughly where the middle cerebellar ... |
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