Term
| have unmyelinated axons that go through the cribiform plate of the ethmoid bone into the olfactory bulb |
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Definition
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Term
| lesion of this nerve causes loss of sense of smell (anosmia); loss also affects taste because; could result from head trauma involving the cribiform plate |
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Definition
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Term
| terminates in the lateral geniculate nucleus |
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Definition
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Term
| supplies general somatic efferents to extrinsic eye muscles |
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Definition
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Term
| supplies somatic efferents to skeletal muscle of the upper eyelid |
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Definition
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Term
| contributes to the levator palpebrae superioris muscle |
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Definition
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Term
| contributes to the medial rectus muscle, superior rectus muscle, inferior rectus muscle and inferior oblique muscle |
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Definition
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Term
| lesion to this nerve causes a closed eyelid (ptosis); could be complete or partial (associated with Horner's syndrome) |
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Definition
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Term
| supplies postganglionic parasympathetic general visceral efferents to intrinsic eye muscles from ciliary ganglion |
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Definition
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Term
| supplies the constrictor pupillae muscle and the ciliary muscle |
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Definition
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Term
| nerve leaves the brainstem in the interpeduncular fossa |
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Definition
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Term
| passes between the superior cerebellar artery and the posterior cerebral artery |
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Definition
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Term
| enters orbit through the superior orbital fissure |
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Definition
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Term
| if either the posterior cerebral artery or superior cerebellar artery have aneurisms, it can compress this nerve |
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Definition
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Term
| arises from the dorsal aspect of the mesencephalon (midbrain) |
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Definition
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Term
| innervates one extraocular muscle and the superior oblique |
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Definition
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Term
| enters the orbit through the superior orbital fissure |
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Definition
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Term
| only cranial nerve that arises from dorsal aspect of brain stem |
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Definition
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Term
| lesion to this nerve causes the patient to suffer from diplopia (double vision); tilts head down and away from affected side |
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Definition
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Term
| supplies muscles of mastication and the tensor tympani muscle |
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Definition
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Term
| supplies the mylohyoid muscle |
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Definition
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Term
| supplies the tensor veli palatini muscle and anterior belly of digastric muscle |
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Definition
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Term
| this nerve arises at the level of the pons |
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Definition
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Term
| has 3 divisions: ophthalamic (V1), maxillary (V2), mandibular (V3) |
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Definition
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Term
| this nerve innervates one extraocular muscle, the lateral rectus |
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Definition
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Term
| exits the brainstem at the pontomedullary junction |
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Definition
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Term
| enters orbit via the superior orbital fissure |
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Definition
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Term
| emerges from brainstem between pons and medulla and traverses the pontine cistern of subarachnoid space, pierces dura and runs within cranial cavity, bends sharply over petrous part of temporal bone and courses through cavernous sinus, surrounded by venous blood like internal carotid artery, enters orbit through superior orbital fissure |
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Definition
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Term
| arises at the level of the ponto-medullary junction |
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Definition
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Term
| damage to this nerve causes a lateral gaze deficit; right eye is pulled medial when asked to look straight |
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Definition
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Term
| provides motor innervation to muscles of facial expression |
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Definition
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Term
| provides sensory afferents for taste on the anterior 2/3 of tongue via chorda tympani |
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Definition
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Term
| visceral preganglionic efferents arise in the superior salivatory nucles for this nerve |
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Definition
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Term
| travels within temporal bone and turns abruptly to course along the medial wall of the tympanic cavity |
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Definition
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Term
| this nerve gives rise to the greater petrosal nerve, the nerve to stapedius and the chorda tympani nerve |
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Definition
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Term
| emerges from cranium via stylomastoid foramen, gives off posterior auricular branch, enters parotid gland and forms parotid plexus, which gives rise to terminal branches: temporal, zygomatic, buccal, marginal mandibular, and cervical |
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Definition
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Term
| vestibular branch of this nerve provides balance and head position/movement |
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Definition
| vestibulocochlear nerve (VIII) |
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Term
| the cochlear branch of this nerve provides sensory afferents for hearing |
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Definition
| vestibulocochlear nerve (VIII) |
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Term
| arises at the level of the ponto-medullary angle |
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Definition
| vestibulocochlear nerve (VIII) |
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Term
| emerges at junction of pons and medulla and enters internal acoustic meatus |
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Definition
| vestibulocochlear nerve (VIII) |
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Term
| provides special visceral afferents for taste to the posterior 1/3 of the tongue |
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Definition
| glossopharyngeal nerve (IX) |
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Term
| provides somatic motor efferents to the stylopharyngeus muscle only |
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Definition
| glossopharyngeal nerve (IX) |
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Term
| provides general visceral afferents to the carotid body, pharynx and middle ear |
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Definition
| glossopharyngeal nerve (IX) |
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Term
| responsible for the afferent limb of the gag reflex |
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Definition
| glossopharyngeal nerve (IX) |
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Term
| provides visceral sensation from the tongue, pharynx, larynx, trachea, heart, foregut, and midgut |
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Definition
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Term
| provides motor innervation to constrictor muscles of pharynx, intrinsic muscles of larynx, muscles of palate except tensor veli palatini |
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Definition
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Term
| when damaged in the thorax region, may be responsible for causing hoarseness |
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Definition
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Term
| when there is an injury to this nerve, examination of the oral cavity will reveal the uvula deviating to the opposite side (side opposite to lesion) |
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Definition
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Term
| has a cranial root which provides muscle innervation to striated muscle of soft palate, pharynx and larynx |
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Definition
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Term
| has a spinal root which provides motor innervation to the sternocleidomastoid and trapezius muscle |
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Definition
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Term
| motor component arises from spinal cord (cervical) travels up through foramen magnum up into skull, joins with vagus nerve to exit jugular foramen to supply muscles |
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Definition
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Term
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Definition
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Term
| provides motor innervation to the muscles of the tongue except the palatoglossus muscle |
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Definition
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Term
| arises anterior to the inferior olive |
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Definition
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Term
| an injury to this nerve causes the protruded tongue to point toward the side of the nerve damage |
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Definition
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