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Download Radial nerve - Stephen Tavoni
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Figure 13.28a Structure of a nerve. Endoneurium Perineurium Nerve fibers Blood vessel Fascicle Epineurium © 2014 Pearson Education, Inc. Figure 13.28b Structure of a nerve. Axon Myelin sheath Endoneurium Perineurium Epineurium Fascicle Blood vessels © 2014 Pearson Education, Inc. Figure 13.30a Location and function of cranial nerves. Filaments of olfactory nerve (I) Olfactory bulb Olfactory tract Optic nerve (II) Optic chiasma Optic tract Oculomotor nerve (III) Trochlear nerve (IV) Trigeminal nerve (V) Abducens nerve (VI) Cerebellum Medulla oblongata © 2014 Pearson Education, Inc. Frontal lobe Temporal lobe Infundibulum Facial nerve (VII) Vestibulocochlear nerve (VIII) Glossopharyngeal nerve (IX) Vagus nerve (X) Accessory nerve (XI) Hypoglossal nerve (XII) Table 13.4 Cranial Nerves (1 of 15) © 2014 Pearson Education, Inc. Table 13.4 Cranial Nerves (2 of 15) © 2014 Pearson Education, Inc. Table 13.4 Cranial Nerves (3 of 15) © 2014 Pearson Education, Inc. Table 13.4 Cranial Nerves (4 of 15) © 2014 Pearson Education, Inc. Table 13.4 Cranial Nerves (6 of 15) © 2014 Pearson Education, Inc. Table 13.4 Cranial Nerves (7 of 15) © 2014 Pearson Education, Inc. Table 13.4 Cranial Nerves (9 of 15) © 2014 Pearson Education, Inc. Table 13.4 Cranial Nerves (11 of 15) © 2014 Pearson Education, Inc. Table 13.4 Cranial Nerves (12 of 15) © 2014 Pearson Education, Inc. Table 13.4 Cranial Nerves (13 of 15) © 2014 Pearson Education, Inc. Table 13.4 Cranial Nerves (14 of 15) © 2014 Pearson Education, Inc. Table 13.4 Cranial Nerves (15 of 15) © 2014 Pearson Education, Inc. Figure 13.31 Spinal nerves. Cervical plexus Brachial plexus Cervical nerves C1 – C8 Cervical enlargement Intercostal nerves Thoracic nerves T1 – T12 Lumbar enlargement Lumbar plexus Lumbar nerves L1 – L5 Sacral plexus Sacral nerves S1 – S5 Cauda equina Coccygeal nerve Co1 © 2014 Pearson Education, Inc. Chapter Opener 14 © 2014 Pearson Education, Inc. Figure 13.33 The cervical plexus. Ventral rami Segmental branches Hypoglossal nerve (XII) Lesser occipital nerve Ventral rami: C1 Greater auricular nerve C2 Transverse cervical nerve C3 Ansa cervicalis C4 Accessory nerve (XI) Phrenic nerve Supraclavicular nerves © 2014 Pearson Education, Inc. C5 Figure 13.34a The brachial plexus. Anterior divisions Posterior Trunks divisions Dorsal scapular Nerve to subclavius Suprascapular Roots Posterior divisions Lateral Cords Posterior Medial Axillary Musculocutaneous Radial Median Ulnar Roots (rami C5–T1), trunks, divisions, and cords © 2014 Pearson Education, Inc. Roots (ventral ram C4 C5 C6 C7 C8 T1 Upper Middle Trunks Lower Long thoracic Medial pectoral Lateral pectoral Upper subscapular Lower subscapular Thoracodorsal Medial cutaneous nerves of the arm and forearm Figure 13.34c The brachial plexus. Axillary nerve Humerus Radial nerve Musculocutaneous nerve Ulna Radius Ulnar nerve Median nerve Radial nerve (superficial branch) Dorsal branch of ulnar nerve Superficial branch of ulnar nerve Digital branch of ulnar nerve Muscular branch Digital branch Median nerve The major nerves of the upper limb © 2014 Pearson Education, Inc. Figure 13.34d The brachial plexus. Musculocutaneous nerve Lateral cord Posterior cord Axillary nerve Medial cord Radial nerve Median nerve Ulnar nerve Cadaver photo © 2014 Pearson Education, Inc. Figure 13.35 The lumbar plexus. Ventral rami Ventral rami: L1 L2 Iliohypogastric Ilioinguinal Iliohypogastric Femoral Ilioinguinal Lateral femoral cutaneous Genitofemoral Lateral femoral cutaneous L3 Obturator L4 Anterior femoral cutaneous Saphenous Obturator Femoral L5 Lumbosacral trunk Ventral rami and major branches of the lumbar plexus © 2014 Pearson Education, Inc. Distribution of the major nerves from the lumbar plexus to the lower limb Figure 13.35a The lumbar plexus. Ventral rami Iliohypogastric Ventral rami: L1 L2 Ilioinguinal Genitofemoral Lateral femoral cutaneous L3 L4 Obturator Femoral L5 Lumbosacral trunk Ventral rami and major branches of the lumbar plexus © 2014 Pearson Education, Inc. Figure 13.35b The lumbar plexus. Iliohypogastric Ilioinguinal Femoral Lateral femoral cutaneous Obturator Anterior femoral cutaneous Saphenous Distribution of the major nerves from the lumbar plexus to the lower limb © 2014 Pearson Education, Inc. Figure 13.36 The sacral plexus. Ventral rami Ventral rami: L4 Superior gluteal Superior gluteal L5 Lumbosacral trunk Inferior gluteal Pudendal S1 Sciatic S2 Posterior femoral cutaneous S3 Common fibular S4 Tibial Sural (cut) S5 Deep fibular Common fibular Tibial Posterior Femoral cutaneous Pudendal Sciatic Inferior gluteal Co1 Superficial fibular Ventral rami and major branches of the sacral plexus Gluteus maximus Plantar branches Piriformis Inferior gluteal nerve Common fibular nerve Tibial nerve Pudendal nerve Posterior femoral cutaneous nerve Sciatic nerve Cadaver photo © 2014 Pearson Education, Inc. Distribution of the major nerves from the sacral plexus to the lower limb Figure 13.36a The sacral plexus. Ventral rami Superior gluteal Lumbosacral trunk Inferior gluteal Common fibular Tibial Posterior femoral cutaneous Pudendal Sciatic Ventral rami: L4 L5 S1 S2 S3 S4 S5 Co1 Ventral rami and major branches of the sacral plexus © 2014 Pearson Education, Inc. Figure 13.36b The sacral plexus. Superior gluteal Inferior gluteal Pudendal Sciatic Posterior femoral cutaneous Common fibular Tibial Sural (cut) Deep fibular Superficial fibular Plantar branches Distribution of the major nerves from © 2014 Pearson Education, Inc. the sacral plexus to the lower limb Figure 13.36c The sacral plexus. Gluteus maximus Piriformis Inferior gluteal nerve Common fibular nerve Tibial nerve Pudendal nerve Posterior femoral cutaneous nerve Sciatic nerve Cadaver photo © 2014 Pearson Education, Inc. Figure 13.37 Map of dermatomes. C2 C3 C4 C5 C6 C7 C8 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 C2 C3 C4 C5 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T2 C5 C6 C6 C7 L1 C8 L2 T12 S2 S3 T2 C5 C6 L1 C8 L2 C8 L2 S1 L4 S3 S4 S5 C6 C7 S2 S2 S2 C6 C7 C8 S1 L1 L3 L5 L4 T11 T12 L1 L3 L5 C7 C6 S1 L3 C5 L2 L5 L4 L3 L5 L5 L4 S1 S1 L4 L5 © 2014 PearsonAnterior Education, Inc. view Posterior view L4 L5 S1
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