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PAMercer Cranial Nerves
Cranial Nerve numbers, name, function, and foramen
41
Anatomy
Graduate
01/19/2010

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Term
Cranial Nerve I
Definition
Olfactory
Term
Cranial Nerve II
Definition
Optic
Term
Cranial Nerve III
Definition
Oculomotor
Term
Cranial Nerve IV
Definition
Trochlear
Term
Cranial Nerve V
Definition
Trigeminal (Opthalamic, maxillary, and mandibular divisions)
Term
Cranial Nerve VI
Definition
Abducent
Term
Cranial Nerve VII
Definition
Facial
Term
Cranial Nerve VIII
Definition
Vestibulocochlear (Vestibular and Cochlear)
Term
Cranial Nerve IX
Definition
Glossopharyngeal
Term
Cranial Nerve X
Definition
Vagus
Term
Cranial Nerve XI
Definition
Accessory (Cranial Root and Spinal Root)
Term
Cranial Nerve XII
Definition
Hypoglossal
Term
Olfactory (I) function
Definition
Smell
Term
Optic (II) function
Definition
Vision
Term
Oculomotor (III) function
Definition
Raises upper eyelid, turns eyeball upward, downward, and medially, constricts pupil, accommodates eye
Term
Trochlear (IV) function
Definition
Assists in turning eyeball downward and laterally
Term
Trigeminal (V) opthalmic division function
Definition
Cornea, skin of forehead, scalp, eyelids, and nose, also mucous membrane of paranasal sinuses and nasal cavity
Term
Trigeminal (V) maxillary division function
Definition
skin on face over maxilla; teeth of upper jaw, mucous membrane of nose, maxillary sinus and palate
Term
Trigeminal (V) mandibular division function
Definition
(motor component) muscles of mastication, mylohyoid, anterior belly of digastric, tensor veli palantine, and tensor tympani
(sensory component) skin of cheek, skin over mandible and side of head, teeth of lower jaw and temporomandibular joint; mucous membrane of mouth and anterior part of tongue
Term
Abducent (VI) function
Definition
Lateral erectus muscle turns eyeball laterally
Term
Facial (VII) function
Definition
(motor component) Muscles of face and scalp, stapedius muscle, posterior belly of digastric and stylohyoid muscles
(sensory component) taste from anterior 2/3 of tongue, from floor of mouth and palate
(secretomotor, parasympathetic) submandibular and sublingual salivary glands, the lacrimal gland, and glands of nose and palate
Term
Vestibulocochlear (VIII) vestibular function
Definition
From utricle and saccule and semicircular canals - position and movement of the head
Term
Vestibulocochlear (VIII) Cochlear function
Definition
organ of Corti - hearing
Term
Glossopharyngeal (IX)
Definition
(Motor) sylopharyngeus muscle - assists in swallowing
(secremotor, parasympathetic) parotid salicary gland
Term
Vagus (X) function
Definition
Heart and great thoracic blood vessels; larynx, trachea, bronchi and lungs; alimentary tract from pharynx to splenic flexure of colon; liver, kidneys, and pancreas
Term
Accessory (XI) Cranial root function
Definition
muscles of soft palate (except tensor veli palantini); pharynx (except stylopharyngeus); and larynx (except cricothyroid) in branches of vagus
Term
Accessory (XI) Spinal root function
Definition
Sternocleidomastoid and trapezius muscles
Term
Hypoglossal (XII) function
Definition
muscles of tongue (except palatoglossus) controlling its shape and movement
Term
Olfactory (I) foramen
Definition
Openings in cribriform plate of ehtmoid
Term
Optic (II) foramen
Definition
Optic canal
Term
Oculomotor (III) foramen
Definition
superior orbital fissure
Term
Trochlear (IV)
Definition
superior orbital fissure
Term
Trigeminal (V) Opthalmic division foramen
Definition
Superior orbital fissure
Term
Trigeminal (V) Maxillary and mandibular division foramen
Definition
foramen rotundum
Term
Abducent (VI) foramen
Definition
superior orbital fissure
Term
Facial (VII) foramen
Definition
internal acoustic meatus, facial canal, sylomastoid foramen
Term
Vestibulocochlear (VIII) foramen
Definition
internal acoustic meatus
Term
Glossopharyngeal (IX) foramen
Definition
jugular foramen
Term
Vagus (X) foramen
Definition
jugular foramen
Term
Accesory (XI) foramen
Definition
jugular foramen
Term
Hypoglossal (XII) foramen
Definition
hypoglossal canal
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