Sheet1NerveForaminaCNI: OlfactoryCribiform PlateReceptor cells in olfactory epithelium overlying superior concha; special sensory - smellCNII: OpticOptic chiasmaAxons of ganglion cells in retina --> optic nerve --> medial fibers cross to opposite side and lateral fibers stay on the same side at the optic chiasma; special sensory - visionSuperior branch --> superior rectus and levator palpebrae superioris mm.; somatic motorCNIII: OculomotorSup. Orbital FissureInferior branch --> medial rectus, inferior rectus, and inferior oblique mm; somatic motorParasympathetic motor root: pre-ganglionic parasympathetic fibersCILIARY GANGLIONShort ciliary nerves: post-ganglionic parasympathetic fibers to sphincter pupillae and ciliary mm.CNIV: TrochlearSup. Orbital Fissuresuperior oblique m.; somatic motorCNVI: AbducentSup. Orbital Fissurelateral rectus m.; somatic motorCochlear: from spiral ganglion in cochlea; special sensory - hearingCNVIII: VestibulocochlearInternal Acoustic MeatusVestibular: from vestibular ganglon in semicircular canals; special sensory - balanceCranial root: Joins Vagus and is considered part of itCNXI: AccessoryJugular ForamenSpinal root: branchiomotor to sternomastoid and trapezius mm.CNXII: HypoglossalHypoglossal CanalAll tongue muscles, except palatoglosseus; somatic motorCNV: TrigeminalParasympathetic sensory root: passes through the ciliary ganglion; sensory innervation of eyeballLong ciliary nn: sympathetic fibers to dilator pupillaeNasociliaryAnterior ethmoidal: anterior cranial fossa, nasal cavity, tip of nosePosterior ethmoidal: posterior ethmoidal air cells and sphenoidal sinusV1: OpthalmicSup. Orbital FissureInfratrochlear: superomedial corner of orbit, lacrimal sac, upper half of noseSupra-orbital: conjuctiva, upper eyelid, forehead and scalpFrontal nerveSupra-troclear: conjuctiva, upper eyelid, lower medial foreheadLacrimal nerve: lacrimal gland, conjunctiva, and lateral part of the upper eyelidZygomaticZygomaticotemporal: templeZygomaticofacial: anterolateral surface of cheeksV2: MaxillaryForamen RotundumSuperior alveolar nn --> superior dental plexus: upper teeth and adjacent gingivaeGanglionic branchesInfra-orbitalNasal branches: external nosePalpebral branches: lower eyelid*Superior Labial branches: upper lip and cheekPTERYGOPALATINE GANGLIONOrbital branches: orbital wall, sphenoidal and ethmoidal sinusesNerve of Pterygoid CanalGreater and Lesser Palatine nn: mucosa and glands of hard palatePosterior inferior nasal nerves: lateral nasal wallGreater Petrosal: pre-ganglionic parasympathetic fibersDeep Petrosal: post-ganglionic sympathetic fibers from T1Nasal nn: lateral wall of nasal cavity and nasal septumNasopalatine: Nasal septum, anterior hard palateFacial Nerve (CNVII)Internal Carotid nervePharyngeal: mucosa and glands of the nasopharynxSuperior Cervical ganglionT1 Spinal nerve* postganglionic parasympathetic and sympathetic fibers originating from pterygopalatine fibers pass superiorly through the ganglionic branches to enter the main trunk of the maxillary nerve to be distributed with the zygomatic, superior alveolar, and infra-orbital nerves Approximately midway along the orbital wall the postganglionic parasympathetic and sympathetic fibers leave the zygomaticotemporal branch to form a special autonomic branch which joins the lacrimal nerve of the opthalmic nerve to innervate the lacrimal glandMeningeal Branch: dura mater of middle cranial fossaNerve to Medial Pterygoid: medial pterygoid m.; branchiomotorNerve to Tensor Veli Palitini; branchiomotorNerve to Tensor Tympani; branchiomotorBuccal: cheek (internal and external), oral mucosaDeep temporal nn: temporalis m.; branchiomotorAnterior TrunkMasseteric: masseter m; branchiomotorNerve to Lateral Pterygoid: lateral pterygoid m.; branchiomotorV3: MandibularForamen OvaleAuriculotemporal: temple, external ear, external auditory meatus, tympanic membrane and TMJPost-gang. parasympathetics to parotid glandOTIC GANGLIONInferior Alveolar: lower teeth and associated gingivae, lower lip, chinLesser Petrosal: pre-gang. parasympatheticsNerve to mylohyoid: mylohyoid, anterior belly of digastric; branchiomotorTympanic plexusPosterior TrunkIncisive nerve: premolar, incisor, canine teethTympanic nerveMental nerve: lower lip, chinGlossopharyngeal (CNIX)Lingual: anterior 2/3 of tongue, mucosa of floor of mouth, gingivae of lower teethChorda Tympani: taste from anterior 2/3 of tongue, pre-gang. parasympatheticsSUBMANDIBULAR GANGLIONpost-gang. parsympathetics to sublingual and submandibular salivary glandsFacial nerve (CNV)Nervus Intermedius: Sensory root of facial nerve; includes parasympatheticsGeniculate Ganglion: site of sensory cell bodiesGreater Petrosal: Taste fibers from mucous membrane of palate; pre-gang parasympathetics to nasal and palatine mucosa, and lacrimal glandNerve of Pterygoid CanalPTERYGOPALATINE GANGLIONChorda Tympani: Taste from anterioR 2/3 of tongue, pre-gang parasympathetics to all salivary glands below oral fissureCNVII: FacialInternal Acoustic MeatusLingual nerveSUBMANDIBULAR GLANDStylomastoid ForamenBranchiomotor rootPosterior Auricular: occipital belly of occipitofrontalis m., posterior auricular m. of earNerve to posterior belly of digastric and stylohyoid mmMuscles of Facial ExpressionTemporal branches: muscles of temple, forehead, and supra-orbital areaZygomatic branches: muscles in infra-orbital area, lateral nasal area, and upper lipBuccal branches: muscles in cheek, upper lip, and corner of mouthMarginal Mandibular branches: muscles of lower lip and chinCervical branches: platysmaNerve to Stapedius MuscleCNIX: GlossopharyngealJugular ForamenSuperior and Inferior Ganglia: sensory neuron cell bodiesCarotid Sinus nerve: baroreceptors of carotid sinus and chemoreceptors of carotid bodyVisceral sensory branches to posterior 1/3 of tongue, soft palate, and palatine tonsilsVisceral sensory branches to upper pharynx via contribution to pharyngeal plexus (joins sympathetic and vagus branches)Special sensory - Taste from posterior 1/3 of tongueBranchiomotor branch to stylopharyngeus muscleTympanic nerveTympanic plexus (on promontory of middle ear): sensory innervation to mucosa of cavity, auditory tube, and mastoid air cellsLesser Petrosal: pre-ganglionic parasympathetics to parotid glandOTIC GANGLIONSuperior Ganglion: cell bodies of general somatic sensory neuronsCNX: VagusJugular ForamenAuricular: general sensory from external acoustic meatus and auricleInferior Ganglion: cell bodies of special and visceral sensory neuronsSinus nerve: aortic body chemoreceptors and aortic arch baroreceptorsPharyngeal branch: branchiomotor to pharyngeal constrictors, soft palate (except tensor veli palatini)*Pharyngeal plexusSuperior LaryngealExternal Laryngeal: branchiomotor to inferior constrictor and cricothyroid mm.Internal Laryngeal: visceral sensory and parasympathetics to mucosa of larynx above the vocal foldsRecurrent Laryngeal: branchiomotor to all laryngeal mm except cricothyroid; visceral sensory from and parasympathetics to lower larynxBranches to thoracic and abdominal viscera as far as the left colic flexureVisceromotor: preganglionic parasympathetics to organs in neck, thorax and abdomenSecretomotor to glands in neck, thorax and abdomenVisceral afferents from mucosa in lower pharynx, larynx, viscera in thorax and abdomen* the motor fibers of pharyngeal branch are from the accessory nerve and are often described as "11 via 10" (i.e. accessory via vagus)

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