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Anatomy CN (Clinical correlates (gag reflex (9&10, functional side…

- - - - pulsing depending on internal carotid
- - - - contains 2 front teeth
  - - - posterior 1/3 taste
  - - - Netty Pot flushes
- - - - General
        
        primitive and/or external structures of the body.
        Muscles, viscera and skin
        
        GVE
        
        Parasympathetic fx
        
        motor to viscera, muscle and glands
        
        Runs w/ GVA
        
        GSE
        
        somites, only general in head
        
        tongue motor
        
        extraocular muscles
        
        motor to skeletal muscle
        
        GSA
        
        Trigeminal
        
        opthalmic division
        
        orbit through fissure no vision
        
        forehead skin
        
        nasociliary nerve
        
        nasal septum
        
        conjunctiva
        
        anterior ethmoidal n!!!!!
        
        1 more item...
        
        excited by light, can lead to sneezing from light
        
        touch temp pain
        
        superior to eye muscles frontal n
        
        supraorbital &supratrochlear to forehead
        
        lacrimaln branching varies, goes w/ duct
        
        Maxillary division
        
        zygomatic arches
        
        infraorbital nerve
        
        infraorbital foramen
        
        foramen rotunduym
        
        pterygoid palatine ganglia fossa mess
        
        Hard & soft palate
        
        lateral nasal caivty
        
        descending palatine greater & lesser
        
        Mandibular divisions
        
        tempoauricular region
        
        muscles
        
        Tensor Muscles of the Tympanic Membrane and Palate
        Anterior Digastric Muscle
        r
        
        masticaiton muscles except buccinator which is just sense . NOT moto
        
        Mylohyoid Muscle brnch off before entering
        
        foramen ovale
        
        lingual n
        
        tongue sense
        
        auriculo temporal n- TMJ say TMJ arthritis
        
        flanks mengingeal arteryex carotid maxillary artery menigneal branch?
        
        parotid gland-dry mouth in malfx
        
        otic ganglia
        
        1 more item...
        
        modified hinge flex=close extend=open
        
        glossopharyngeal shares sensory vagus does both for pharyngeal
        
        chorda tympani of facial n jumps on to lingual n hitchhike to oral cavity to do taste+sectretion ant 2/3
        
        touch, temperature and pain to non-visceral structures
        
        GVA
        
        touch (distention), temperature and pain from the viscera
        
        runs w/ GVE
      - Special
        
        senses unique to the head (taste, olfaction, hearing, vision, and balance) and to muscles derived from the branchial arches 5th deteriorates
        
        Branchial Arches
        
        d
        
        SSA
        
        vision, hearing and balance
        
        SSE
        
        Doesn't exist
        
        not very different from GSE
        
        SVE
        
        pharyngeal arches
        
        trap
        
        SVA
        
        taste-facial hypoglossal glossopharyngeal
        
        olfaction
        
        taste and olfaction
    - - Visceral
      - Somatic
        
        oto?liths
    - - Efferent
      - Afferent
  - - - Medulla
        
        CN 9
        
        tympanic cavity
        
        through tympanic canaliculuis
        
        lubricated for ossicle movement
        
        pharyngeal
        
        sense CO2 O2 bp
        
        through
        
        CN X12
        
        medulla
        
        tongue towards side bad
        
        CN X #
        
        motor
        
        plexi
        
        SVE to ? GVE to larynx
        
        taste throw up in back
        
        CN 8 except 1 nuclei
        
        CN 10-12
      - Midbrain
        
        CN 34
        
        CN3
      - Pons
        
        1 nuclei of CN 8
        
        C6
        
        laterl rectus, see laterally
        
        cavernous sinus infection damages
        
        eye goes in
        
        CN VII #
        
        SVE stapedius pulls stapes stops from vibrating detuning reflex
        
        chorda tympani GVE & SVA
        
        secretory fibers
        
        accompanied by taste
        
        jumps off lingual
        
        hitchhike to oral cavity to do taste+sectretion ant 2/3
        
        hitchhikers to hard & soft palate
        
        SVE
        
        branch
        
        Temporal
        
        temporalis
        
        2 more items...
        
        buccal
        
        tense cheeks buccinator
        
        mandibular
        
        depressor anguli oculi
        
        1 more item...
        
        cervical
        
        platysma
        
        25 more but they're nice
        
        Bells palsy idiopathic issue
    - - retina-rods/cones synapse bipolar cells- ganglionic neuronoptic disc, optic foramen-lateral feniculate-diencephalon
        
        hemi retina opp temporal sees nasal world, nasal sees temporal world
        
        tunnel vision
        
        often pituitary
      - SSA
    - - CN1
      - fornix
      - amygdala