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Cranial Nerves! :D
Summary of the Cranial Nerves
| Question | Answer |
|---|---|
| Smell from olfactory epithelium | Olfactory (I) |
| Vision from Retina | Optic (II) |
| Cribiform Plate | Olfactory (I) |
| Optic Canal | Optic Nerve (II) |
| Superior Orbital fissure | Oculomotor (III) |
| Levator palpebrae superioris | Oculomotor (III) |
| Superior rectus, medial rectus, inferior rectus, inferior oblique | Oculomotor (III) |
| Parasympathetics to sphincter of the pupil, ciliary muscle of the eye | Oculomotor (III) |
| Superior oblique muscle | Trochlear (IV) |
| Superior orbital fissure | III, IV, V1, VI |
| Sensation from orbital structures, skin of forehead, scalp, upper eyelid, nasal cavity, part of external noe | Opthalmic (V1) |
| Sensation from skin of face over maxilla, upper lip, maxillary teeth and gums, maxillary sinuses, nasal cavity, palate, nasopharynx | Maxillary V2 |
| Foramen rotundum | Maxillary V2 |
| Foramen Ovale | Mandibular V3 |
| Sensation from skin over mandible, lower lip, side of head, lower teeth and gums, TMJ, mucosa of mouth and anterior 2/3 of tongue | Mandibular V3 |
| Muscles of mastication | Mandibular V3 |
| Tensor tympani | Mandibular V3 |
| Tensor veli palatini | Mandibular V3 |
| mylohyoid muscle | Mandibular V3 |
| anterior belly of the digastric | Mandibular V3 |
| Internal acoustic meatus, stylomastoid foramen | Facial (VII) |
| Muscles of facial expression | Facial (VII) |
| Anterior two-thirds of tongue and palate (taste) | Facial (VII) |
| Portion of external ear (general sensory) | Facial (VII) |
| Portion of external ear | Facial (VII) |
| Submandibular, sublingual, and lingual salivary glands, lacrimal glands, glands of nose and palate | Facial (VII) |
| Position and movement of head from utricle, saccule, and semicircular ducts | Vestibulocochlear (VIII) |
| Hearing from cochlea | Vestibulocochlear (VIII) |
| Internal acoustic meatus (besides CN VII) | Vestibulocochlear (VIII) |
| Stylopharyngeus muscle | Glossopharyngeal (IX) |
| Parotid gland (parasympathetic supply) | Glossopharyngeal (IX) |
| Carotid body and carotid sinus (visceral sensory) | Glossopharyngeal (IX) |
| Taste from posterior 1/3 of tongue | Glossopharyngeal (IX) |
| Posterior 1/3 of tongue, oropharynx, auditory tube, middle ear (general sensory) | Glossopharyngeal (IX) |
| Muscles of the pharynx except stylopharyngeus muscles of palate except tensor of palate, all muscles of larynx, striated muscle in the upper 2/3 of the esophagus (branchial motor) | Vagus (X) |
| Smooth muscle and glands of thoracic viscera, foregut, and midgut of abdomen (parasympathetics) | Vagus (X) |
| Larynx, trachea, esophagus, thoracic viscera, foregut and midgut of abdomen, baroreceptors in aortic arch, chemoreceptors in aortic bodies (visceral sensory) | Vagus (X) |
| Taste from epiglottis and valleculae | Vagus (X) |
| Part of external ear, external acoustic meatus, external surface of tympanic membrane, laryngopharynx (general sensory) | Vagus (X) |
| Sternocleidomastoid and trapezius | Accessory (XI) |
| Intrinsic and extrinsic muscles of the tongue except palatoglossus | Hypoglossal (XII) |
| Jugular foramen | Vagus (X), Accessory (XI), Glossopharyngeal (IX) |
| Hypoglossal canal | Hypoglossal (XII) |
| What ganglion supplies the visceral sensory to the organs of the thorax and abdomen? | The INFERIOR GANGLION of Vagus Nerve (X) |
| Where do the neurons that receive taste signal for the epiglottis and and the valleculae of the tongue reside? | The INFERIOR GANGLION of Vagus Nerve (X) |
| Where do the neurons that supply the general sensory to part of the external ear, external acoustic meatus, external surface of the tympanic membrane, and the laryngopharynx reside? | The SUPERIOR GANGLION of Vagus Nerve (X) |
Created by:
karkis77
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