trigeminal nerve diagram

brain cranial brainstem optic chiasm trigeminal pyramid cerebellum vagus mammillary nerve fibers organ motor sensory anatomy pons human inner canal structure vector illustration diagram medical cns central nervous system neurology ganglion neuralgia facial face ophthalmic mandibular maxillary temporomandibular neuropathic alveolar tmj neurosurgery inferior skin trifacial stem head muscles sensations membrane