Cranial Nerves Flashcards
Smell
Olfactory nerve [I]
Vision
Optic nerve [II]
GSE-innervates levator palpebrae superioris, superior rectus, inferior rectus, medial rectus, and inferior oblique muscles
Oculomotor nerve [III]
GVE-innervates sphincter pupillae for pupillary constriction; ciliary muscles for accommodation of the lens for near vision
Oculomotor nerve [III]
Innervates superior oblique muscle
Trochlear nerve [IV]
GSA-sensory from: ophthalmic division [V,]-eyes, conjunctiva, orbital contents, nasal cavity, frontal sinus, ethmoidal cells, upper eyelid, dorsum of nose, anterior part of scalp, dura in anterior cranial fossa, superior part of tentorium cerebelli; maxillary nerve [V,]-dura in middle cranial fossa, nasopharynx, palate, nasal cavity, upper teeth, maxillary sinus, skin covering the side of the nose, lower eyelid, cheek, upper lip; mandibular division (V3)-skin of lower face, cheek, lower lip, anterior part of external ear, part of external acoustic meatus, temporal fossa, anterior two-thirds of tongue, lower teeth, mastoid air cells, mucous membranes of cheek, mandible, dura in middle cranial fossa
Trigeminal nerve [V]
BE-innervates temporalis, masseter, medial and lateral pterygoids, tensor tympani, tensor veli palatini, anterior belly of digastric, and mylohyoid muscles
Trigeminal nerve [V]
Innervates lateral rectus muscle
Abducent nerve [VI]
GSA-sensory from part of external acoustic meatus and deeper parts of auricle
Facial nerve [VII]
SA-taste from anterior two-thirds of tongue
Facial nerve [VII]
GVE-innervates lacrimal gland, submandibular and sublingual salivary glands, and mucous membranes of nasal cavity, hard and soft palates
Facial nerve [VII]
BE-innervates muscles of face (muscles of facial expression) and scalp derived from the second pharyngeal arch, and stapedius, posterior belly of digastric, stylohyoid muscles
Facial nerve [VII]
Vestibular division-balance
Vestibulocochlear
nerve [VIII]
Cochlear division-hearing
Vestibulocochlear
nerve [VIII]
GVA-sensory from carotid body and sinus
Glossopharyngeal
nerve [IX]
GSA-posterior one-third of tongue, palatine tonsils, oropharynx, and mucosa of middle ear, pharyngotympanic tube, and mastoid air cells
Glossopharyngeal
nerve [IX]
SA-taste from posterior one-third of tongue
Glossopharyngeal
nerve [IX]
GVE— innervates parotid salivary gland
Glossopharyngeal
nerve [IX]
BE-innervates stylopharyngeus muscle
Glossopharyngeal
nerve [IX]
GSA-sensory from larynx, laryngopharynx, deeper parts of auricle, part of external acoustic meatus, and dura in posterior cranial fossa
Vagus nerve [X]
GVA-sensory from aortic body chemoreceptors and aortic arch baroreceptors, esophagus, bronchi, lungs, heart, and abdominal viscera of the foregut and midgut
Vagus nerve [X]
SA-taste from the epiglottis and pharynx
Vagus nerve [X]
GVE-innervates smooth muscle and glands in the pharynx, larynx, thoracic viscera, and abdominal viscera of the foregut and midgut
Vagus nerve [X]
BE-innervates one tongue muscle (palatoglossus), muscles of soft palate (except tensor veli palatini), pharynx (except stylopharyngeus), and larynx
Vagus nerve [X]
Innervates sternocleidomastoid and trapezius muscles
Accessory nerve [XI]
Innervates hyoglossus, genioglossus, and styloglossus muscles and all intrinsic muscles of the tongue
Hypoglossal nerve [XII]
