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14 Cards in this Set
- Front
- Back
Olfactory (I)
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Foramina: cribriform plate
Origin and Course: olfactory epithelium --> olfactory bulbs Function: sensory - smell |
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Optic (II)
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Foramina: optic foramen
Origin and Course: retina --> thalamus --> occipital lobe Function: sensory - vision |
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Oculomotor (III)
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Foramina: superior orbital fissure
Origin and Course: ventral midbrain --> most eye muscles, iris, ciliary body Function: motor - eye movement, pupil constriction, focusing lens |
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Trochlear (IV)
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Foramina: superior orbital fissure
Origin and Course: dorsal midbrain --> superior oblique muscle Function: inferolateral eye movement |
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Opthalmic (V)
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Foramina: superior orbital fissure
Origin and Course: upper eyelid/face --> pons Function: sensory - forehead, upper eyelid, nose, corner |
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Maxillary (V)
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Foramina: foramen rotundum
Origin and Course: mid face --> pons Function: sensory - lower eyelid, upper teeth/lip, cheek, nose |
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Mandibular (V)
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Foramina: foramen ovale
Origin and Course: lower face <--> pons; pons --> mastication muscles Function: sensory - tongue, lower teeth, lip, chin; motor - mastication |
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Abducens (VI)
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Foramina: superior orbital fissure
Origin and Course: pons --> lateral rectus Function: motor - lateral eye movement |
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Facial (VII)
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Foramina: internal acoustic meatus
Origin and Course: pons <--> facial muscles, anterior tongue, sublingual and submandibular glands Function: sensory - taste; motor - facial expression, salivation |
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Vestibulocochlear (VIII)
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Foramina: internal acoustic meatus
Origin and Course: inner ear --> pons, medulla Function: sensory - balance, equilibrium & hearing |
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Glossopharyngeal (IX)
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Foramina: jugular foramen
Origin and Course: posterior tongue, carotid artery & aortic arch, parotid gland, pharynx <--> medulla Function: sensory - taste, blood pressure, O2 & CO2; motor - swallowing, salivation |
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Vagus (X)
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Foramina: jugular foramen
Origin and Course: carotid artery & aortic arch, pharynx, viscera <--> medulla Function: sensory - blood pressure, O2 & CO2, viscera, pharynx, larynx; motor - swallowing, speech, heart rate, respiration, digestion |
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Spinal Accessory (XI)
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Foramina: jugular foramen
Origin and Course: medulla/spinal cord --> neck and back muscles Function: motor - neck and back muscles |
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Hypoglossal (XII)
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Foramina: hypoglossal canal
Origin and Course: medulla --> tongue muscles Function: motor - food manipulation, swallowing, speech |