Trigeminal nucleus

The sensory trigeminal nerve nuclei are the largest of the cranial nerve nuclei, and extend through the whole of the midbrain, pons and medulla, and into the high cervical spinal cord.Dissection of brain-stem. Lateral view.Deep dissection of brain-stem. Lateral view.Nuclei of origin of cranial motor nerves schematically represented; lateral view.Primary terminal nuclei of the afferent (sensory) cranial nerves schematically represented; lateral view. The sensory trigeminal nerve nuclei are the largest of the cranial nerve nuclei, and extend through the whole of the midbrain, pons and medulla, and into the high cervical spinal cord.