The Peripheral Nervous System Study Guide

The Brachial Plexus 2 Axillary nerve Musculo-cutaneous nerve Radial nerve Median nerve Ulnar nerve Digital branches The major nerves of the upper limb 2

The Brachial Plexus 3 Digital branches The major nerves of the upper limb 3

4 Ilioinguinal nerve Femoral nerve Lateral femoral cutaneous Nerves of the lumbar plexus, anterior view Obturator Ventral rami: Anterior femoral cutaneous Ventral rami Anterior division L1 Posterior division Saphenous L2 Iliohypogastric Ilioinguinal L3 Genitofemoral Lateral femoral cutaneous L4 Obturator L5 Femoral Ventral rami and major branches of the lumbar plexus Distribution of the major nerves from the lumbar plexus to the lower limb 4

5 Nerves of the lumbar plexus, anterior view Ventral rami: L1 L2 L3 L4 Anterior division L1 Posterior division L2 L3 L4 L5 Ventral rami and major branches of the lumbar plexus Distribution of the major nerves from the lumbar plexus to the lower limb 5

6 Common fibular nerve Tibial nerve Superior gluteal Inferior gluteal nerve Sciatic nerve Pudendal nerve Dissection of the gluteal region, posterior view Sciatic Posterior femoral cutaneous nerve Ventral rami Ventral rami: Anterior division Posterior division L4 Common fibular Superior gluteal L5 Lumbosacral trunk Tibial Inferior gluteal S1 Deep fibular Common fibular S2 Superficial fibular Tibial S3 Posterior femoral cutaneous S4 Pudendal S5 Sciatic Co1 Ventral rami and major branches of the sacral plexus, anterior view Distribution of the major nerves from the sacral plexus to the lower limb, posterior view 6

7 Dissection of the gluteal region, posterior view L4 L5 S1 S2 S3 S4 Ventral rami Anterior division Posterior division L4 L5 S1 S2 S3 S4 S5 Co1 Ventral rami and major branches of the sacral plexus, anterior view Distribution of the major nerves from the sacral plexus to the lower limb, posterior view 7