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Reference Guide

Nervous System - Reference Guides

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Department
ANAT - Anatomy
Course Code
ANAT 14
Professor
All

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p e rm a ch a rts MT Nervous System 2nd EDITION Figure 1: Lobes of Brain (Lateral View) Figure 2: Cranial Nerves & Functions Figure 1: Lobes of Brain • Each hemisphere of the 3 4 5 I Olfactory cerebrumis divided into five Parietal Sensory – sense of smelllobes with specialized functions 2 Frontal Lobe in each one 1 Lobe II Optic 1 Reading 6 Sensory – sense of sight2 Somatic association area Occipital 3 Speech (Wernicke’s area) III Oculomotor 4 Primary sensory area Lobe 7 sphincter of pupil, most5 Primary motor area external eye muscles 6 Frontal association area 15 7 Speech (Broca’s area) IV Trochlear 9 Ponsction Motor – superior 10 Medulla oblongata 14 oblique muscle 11 Cerebellum V Trigeminal 12 Auditory association area Motor – muscles of 13 Hearing mastication 14 Vision 13 Insula Sensory – head and face 15 Visual association area Figure 2: Cranial Nerves 12 8 VI Abducens & Functions Motor – lateral rectus • The twelve pairs of cranial 11 Temporal Lobe muscle n erves are attached to the base VII Facial of the brain and travel through 10 9 Motor – facial muscles various openings in the skull to and glands reach specific areas of Sensory – anterior 2/3 innervation Figure 3: Nerves of Upper Body (Anterior View) of tongue, soft palate Figure 3: Nerves of Upper Body VIII Auditory • The brachial plexus is formed Brachial Plexus Sensory – hearing and spinal nerves C5-T1 • Proximally balance to distally, they then form 7 XII Hypoglossal 3 trunks (superior, middle, and 1 Motor – tongue and inferior [blue]), 3 anterior and strap muscles 3 posterior divisions (purple), 2 8 3 cords (lateral, posterior, and 9 IX Glossopharyngeal medial [red]), and 5 terminal 3 Motor – upper branches (yellow) pharyngeal muscles, 1 Ventral root of C5 4 Sensory – posterior 1/3 2 Ventral root of C6 of tongue, pharynx, 3 Ventral root of C7 5 10 middle ear 4 Ventral root of C8 5 Ventral root of T1 6 12 X Vagus 6 Long thoracic n. 14 Motor and Sensory – 7 Dorsal scapular n. 17 heart, lungs, trachea, 8 Subclavian n. 18 15 pharynx, GI tract 9 Suprascapular n. 10 Lateral pectoral n. 11 XI Accessory 11 Medial pectoral n. 30 19 13 Motor – trapezius, 12 Upper subscapular n. 31 sternocleidomastoid 13 Medial brachial cutaneous n. 16 14 Thoracodorsal n. 32 20 16 Medial antebrachial. cutaneous n. 21 21 19 18 17 Figure 4: Cervical Plexus 17 Musculocutaneous n. 20 18 Axillary n. 19 Radial n. 20 Median n. 21 Ulnar n. 22 22 Lateral antebrachial cutaneous n. 23 Anterior interosseous n. 24 Superficial branch of radial n. 25 Palmar branch of median n. 26 Common palmar digital n.
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