ME Nerves HeadNeck
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| what are the basic components of the nervous system | central nervous system and peripheral nervous system
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| cranial nerve I is | olfactory
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| cranial nerve I functions | smell, is sensory
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| cranial nerve I exits through the | cribriform plate of ethmoid
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| cranial nerve II is | optic
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| cranial nerve II funtions | vision, is sensory
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| cranial nerve II exits through the | optic foramen
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| cranial nerve III is | oculomotor
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| cranial nerve III exits through the | superior orbital fissure
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| cranial nerve III functions | eye movement, pupil constriction. is motor.
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| cranial nerve IV is | trochlear
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| cranial nerve IV exits through the | superior orbital fissure
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| cranial nerve IV functions | eye movement. is motor.
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| cranial nerve V is | trigeminal
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| cranial nerve V exits through the | V1 - superior orbital fissure
V2 - rotundem
v3 - ovale
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| cranial nerve V functions | somatosensory information (touch, pain) from face and head. muscles of mastication. is mixed.
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| cranial nerve V1 is | abducens
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| cranial nerve VI exits through the | superior orbital fissure
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| cranial nerve V1 functions | eye movement. is motor.
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| cranial nerve VII is | facial
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| cranial nerve VII exits through the | stylomastiod
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| cranial nerve VII functions | taste (2/3 anterior of tongue), somatosensory information of the ear, muscles facial expression. is mixed.
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| cranial nerve VIII is | auditory (vestibulocochlear)
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| cranial nerve VIII exits through the | internal auditory meatus
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| cranial nerve VIII functions | hearing and balance. is sensory.
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| cranial nerve IX is | glossopharyngeal
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| cranial nerve IX exits through the | jugular foramen
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| cranical nerve IX functions | taste (1/3 posterior), somatosensory info of tongue, tonsil, pharynx. controls some muscles of swallowing. is mixed.
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| cranial nerve X is | vagus
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| cranial nerve X exits through the | jugular foramen
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| cranial nerve X functions | sensory, motor, and autonomic functions of viscera. (glands, digestion, heart rate). is mixed.
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| cranial nerve XI is | accessory (spinal)
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| cranial nerve XI exits through the | jugular foramen
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| cranial nerve XI functions | controls muscles used in head movement. is motor.
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| cranial nerve XII is | hypoglossal
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| cranial nerve XII exits through the | hypoglossal canal
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| cranial nerve XII functions | controls the muscles of the tongue. is motor.
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| what are the divisions of the trigeminal nerve | V1 - opthalmic nerve
V2 - maxillary nerve
V3 - mandibular nerve
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| what does the opthalmic nerve exit through | superior orbital fissure
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| what does the opthalmic nerve innervate | eye, forehead, ethmoid sinus, sphenoid sinus, frontal sinus, medial part of nose
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| what does the maxillary nerve exit through | foramen rotundem into pterygopalatine fossa, all remaning branches branch from there
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| the maxillary nerve innervates what | upper jaw and cheek
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| (branches from max) the zygomatic nerve has what two branches | zygomatico-temporal nerve,
zygomatico-facial nerve
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| (branches from max) the zygomatic nerve exits through | inferior orbital fissure into the zygomatic bone through the zygomatico-orbital foramen. branches from there.
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| the zygomatico-temporal nerve exits and innervates what | exits through the zygomatico-temporal foramen. supplies skin over anterior fourth of temporalis muscle
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| the zygomatico-facial nerve exits and innervates what | exits through the zygomatico-facial foramen. innervates skin overlying lateral surface of zygoma
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| lesser palatine nerves exit through and supply what | exit through lesser palatine foramen. supplies palatine tonsils and soft palate.
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| grater palatine nerve exits through and supplies what | exits through greater palatine foramen. supplies posterior 2/3 of hard palate and palatal gingiva of area.
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| the posterior inferior lateral nasal nerves exit and supply what | exit off greater palatine nerve. supply mucosa of inferior nasal concha, middle and inferior meati
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| nasopalatine nerve exits and innervates | exits through sphenopalatine foramen. innervates septal mucosa, palatal mucosa, palatal gingiva on anterior 1/3 of hard palate. may supply max. central incisors.
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| posterior superior lateral nasal nerves exits and innervates | exits medially through sphenopalatine foramen. supplys mucosa of middle and superior nasal conchae and superior part of nasal septum.
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| posterior suprerior alveolar nerves exit and innervate | branches off max in pterygopalatine fossa, descends through pterygomaxillary fissure into maxilla through posterior superior alveolar foramina. innervates max molars (not mesiobuccal root of 1st), buccal gingiva & mucosa of same area, mucosa of max sinus
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| infraorbital nerve exits | exits onto face through infraorbital foramen.
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| middle superior alveolar nerves supplies | max premolars, mesiobuccal root of max 1st molar, buccal gingiva and buccal mucosa of same area, mucosa of max sinus
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| anterior superior alveolar nerve supplies | max anterior teeth, labial gingiva and mucosa of max sinus.
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| the terminal branches of the infraorbital nerve exit through | onto face through infraorbital foramen
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| palpebral branches | to skin and conjunctiva of lower eyelid
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| external nasal branches | to skin of side of nose
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| superios labial branches | to mucous membrane and skin of upper lip, to facial gingiva of max anterior and premolars
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| V3 Mandibular nerve is | mixed. leaves through foramen ovale to distribute to lower jaw and chin
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| the mandibular nerve's motor branches are | 1. nerve to tensor veli palatini muscle
2. medial pterygoid nerve to muscle
3. nerve to tensor tympani muscle
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| posterior deep temporal nerve and anterior deep temporal nerve | motor. innervate temporalis muscle
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| masseteric nerve | motor. to masseter muscle and tmj
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| lateral pterygoid nerve | motor. supplies lateral pterygoid muscle
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| buccal nerve | sensory. innervates mucosa and skin of cheek and buccal gingiva of mand molar sometimes premolar
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| auriculotemporal nerve | sensory. gives general sensation to parotid gland, innervates skin of temporal region anterior to ear, capsule of tmj, and the external auditory meatus
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| lingual nerve | sensory. innervates lingual gingiva of mand arch, mucous membrane of sublingual region, gives general sensation to anterior 2/3 tongue
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| inferior alveolar nerve | sensory. innervates all mand teeth, facial and lingual gingiva of mand arch
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| mylohyoid nerve | motor. innervates mylohyoid muscle and anterior belly of digastric muscle
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| dental branches | posterior and middle go to mand posterior teeth. anterior branches (incisive nerve) go to mand teeth
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| mental nerve | exits mental foramen. supplies skin of chin. skin and mucosa of lower lip.
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| temporal branch supplies | frontalis, superior part of orbicularis oculi, ant and sup auricular muscles, corrugator supercilii, procerus nasi
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| zygomatic branch supplies | inferior part of orbicularis oculi, zygomaticus muscles
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| buccal branch supplies | muscles of upper lip, infraorbital region and nose, buccinator, risorius, portion of orbicularis oris
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| mandbular branch supplies | muscles of lower lip and chin
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| cervial branch supplies | platysma
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