Innervation | Cranial Nerve followed by Fiber Type |
Intrinsic and extrinsic tongue muscle innervation (except palatoglossus) | |
Sensory information from the Cornea, scalp, eyelids, nose and nasal mucosa | |
Interoceptive sensory information from the palate | |
Exteroceptive sensation from the floor of the External Auditory Meatus | |
Sensory information from mechanoreceptors of the Parotid gland, Carotid Body and Carotid Sinus (also pharynx, Eustachian tube, middle ear and inner eardrum surface) | |
Sensory information from side of the head and mandible including Anterior 2/3 of the tongue | |
Sense of Smell (Nasal Mucosa) | |
Movement of head and shoulders (Trapezius and Sternocleidomastoid) | |
Sense of Hearing | |
Vision | |
Motor innervation to intrinsic muscles of the palate (Levator Palati and Palatoglossus), larynx (phonation), pharynx (constrictors) and upper 2/3 of esophagus (4th and 6th Pharynge | |
Sensory information from taste buds of anterior 2/3 of the palate and anterior tongue | |
Sensory information from skin of face over the maxilla including upper lip and palate | |
Sensory information from external ear | |
| Innervation | Cranial Nerve followed by Fiber Type |
Motor innervation to extraocular muscles (except SO and LR) | |
Motor innervation of the stylopharyngeus (3rd Pharyngeal arch) | |
Motor innervation to the Lateral Rectus extraocular muscle | |
Parasympathetic innervation through the Pterygopalatine and Submandibular Ganglia; Innervation of the Submandibular, Sublingual, Lacrimal and Nasal glands | |
Sensory information from semicircular ducts (movement), utricle and saccule (stationary position / equilibrium) | |
Motor innervation of Superior Oblique extraocular muscle | |
Parasympathetic innervation through the Otic Ganglion; Innervation of the Parotid Salivary Gland | |
Sensory information of taste from the epiglottis and palate | |
Parasympathetic innervation to ganglia near target organs; Innervation of smooth muscle of epiglottis, trachea, bronchi , digestive tract | |
Parasympathetic fibers through the ciliary ganglion; Innervation of ocular muscles (pupillary sphincter - light, ciliary muscle - lens) | |
Sensory information from the auricle, external acoustic meatus and dura mater of posterior cranial fossa | |
Facial expressions; Motor control over the buccinator, platysma, stapedius, stylohyoid and Posterior belly of the digastric (2nd Pharyngeal Arch) | |
Sensory information from taste buds of Posterior 1/3 of the tongue | |
Sensory information from tongue, pharynx, larynx, trachea, bronchi, heart, esophagus, stomach and intestines | |
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