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Cranial nerve nuclei Motor efferents General somatic motor nuclei Nucleus of oculomotor n. Nucleus of trochlear n. Nucleus of abducent n. Nucleus of hypoglossal n. General somatic motor nuclei Nucleus Site Cranial n. Function Nucleus of Midbrain Ⅲ Oculomotor n. Nucleus of Midbrain Ⅳ trochlear n. Nucleus of abducent n. Pons Nucleus of Medulla hypoglossal n. Supreior, inferior,and medial recti, inf. obliquus, levator palpebrae superioris Superior obliquus Ⅵ Lateral rectus Ⅻ Muscles of tongue General visceral motor nuclei(parasampatic) Accessory oculomotor nucleus(edinger westfal) Superior salivatory nucleus and lacrimal n. Inferior salivatory nucleus Dorsal nucleus of vagus n. 3 7 9 10 General visceral motor nuclei Nucleus Site Cranial n. Accessory Midbrain Ⅲ oculomotor nucleus Function Sphincter pupillae and ciliary m. Superior salivatory Pons nucleus Ⅶ Submandibular, sublingual and lacrimal glands Inferior salivatory nucleus Medulla Ⅸ Parotid gland Dorsal nucleus of vagus n. medulla Ⅹ Many cervical, thoracic and abdominal viscera Special visceral motor nuclei Motor nucleus of trigeminal n. Nucleus of facial n. Nucleus ambiguus Accessory nucleus Special visceral motor nuclei Nucleus Site Cranial n. Function Motor nucleus of Pons trigeminal n. Ⅴ Masticatory muscles Nucleus of facial Pons n. Ⅶ Facial m., platysma, posterior belly of digastric, stylohyoid, stapedius Nucleus ambiguus Medulla Ⅸ,Ⅹ.Ⅺ Skeletal m. of pharynx, larynx and upper part of esophagus Accessory nucleus Medullacervical cord Ⅺ Sternocleidomastoid, trapezius Sensory (afferents) Visceral sensory nuclei Nucleus of solitary tract ( general and special ) Visceral sensory nuclei ( general and special ) Nucleus Site Cranial n. Function Nucleus of solitary tract Medulla Ⅶ,Ⅸ,Ⅹ Taste and visceral sensation General somatic sensory nuclei Mesencephalic nucleus of trigeminal n. Pontine nucleus of trigeminal n. Spinal nucleus of trigeminal n. General somatic sensory nuclei Nucleus Site Cranial n. Function Mesencephalic nucleus of Midbrain trigeminal n. Ⅴ Proprioception of head Pontine nucleus of trigeminal n. Pons Ⅴ Tactile sensation of head Spinal nucleus of trigeminal n. Medulla Ⅴ Pain and temperature sense of head Special somatic sensory nuclei Cochlear nuclei Vestibular nuclei Special somatic sensory nuclei Nucleus Site Cranial n. Function Cochlear nuclei Pons and medulla Ⅷ Sense of hearing Vestibular nuclei Pons and medulla Ⅷ Sense of equilibrium XII Site of a lesion producing the Medial Modullarly Syndrome Occlusion of medullary branches of vertebral artery Pyramid, 12th n, medial leminiscus, XI. The Accessory Nerve SVE XI. The Accessory Nerve SVE medulla oblongata spinal cord X pharyngeal mm. laryngeal mm cranial root sterno-cleido-mastoideus spinal rootXI trapezius jugular foramen Control of spinal part of 11th nerve Sternocliedomastoid under the control of ipsilateral cortex Trapezious under the control of contralateral cortex The Vagus Nerve SVE, GVE, GVA,GSA SVA+GVA=SOLITARIUS GSA=SPINAL N OF TRIGEMINAL N Roots of X nerve Dorsal n of vagal nerve Ambigus n of vagal nerve Ⅸ. The Glossopharyngeal Nerve SVE, GVE, SVA, GVA,GSA Ⅸ. The Glossopharyngeal Nerve medulla oblongata sup. ganglion inf. ganglion SVE, GVE, SVA,GVA,GSA jugular foramen otic gang tympanic n carotid sinus branch IX lingual br parotid gland carotid sinus & glomus post. 1/3 of tongue (taste & other sensory) pharyngeal branch stylopharyngeal br tonsillar br. post.auricular br pharynx pharyngeal mm. stylopharyn. palatine tonsil post. auricul. skin