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Trigeminal (Opthalamic, maxillary, and mandibular divisions) |
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Vestibulocochlear (Vestibular and Cochlear) |
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Accessory (Cranial Root and Spinal Root) |
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Oculomotor (III) function |
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Raises upper eyelid, turns eyeball upward, downward, and medially, constricts pupil, accommodates eye |
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Assists in turning eyeball downward and laterally |
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Trigeminal (V) opthalmic division function |
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Cornea, skin of forehead, scalp, eyelids, and nose, also mucous membrane of paranasal sinuses and nasal cavity |
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Trigeminal (V) maxillary division function |
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skin on face over maxilla; teeth of upper jaw, mucous membrane of nose, maxillary sinus and palate |
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Trigeminal (V) mandibular division function |
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(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 |
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Lateral erectus muscle turns eyeball laterally |
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(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 |
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Vestibulocochlear (VIII) vestibular function |
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From utricle and saccule and semicircular canals - position and movement of the head |
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Vestibulocochlear (VIII) Cochlear function |
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(Motor) sylopharyngeus muscle - assists in swallowing (secremotor, parasympathetic) parotid salicary gland |
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Heart and great thoracic blood vessels; larynx, trachea, bronchi and lungs; alimentary tract from pharynx to splenic flexure of colon; liver, kidneys, and pancreas |
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Accessory (XI) Cranial root function |
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muscles of soft palate (except tensor veli palantini); pharynx (except stylopharyngeus); and larynx (except cricothyroid) in branches of vagus |
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Accessory (XI) Spinal root function |
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Sternocleidomastoid and trapezius muscles |
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Hypoglossal (XII) function |
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muscles of tongue (except palatoglossus) controlling its shape and movement |
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Openings in cribriform plate of ehtmoid |
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Trigeminal (V) Opthalmic division foramen |
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Trigeminal (V) Maxillary and mandibular division foramen |
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internal acoustic meatus, facial canal, sylomastoid foramen |
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Vestibulocochlear (VIII) foramen |
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Glossopharyngeal (IX) foramen |
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Hypoglossal (XII) foramen |
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