NERVES 



858 



NERVES 



Muscular Nerves of the Antero- 

 internal aspect of the thigh. 



i. Anterior crural nerve. 2. Branches 

 to iliacus muscle. 3. Branch to inner 

 part of psoas. 4. Large cutaneous 

 branch. 5, 6. Muscular filaments of 

 small musculo-cutaneous branch. 7. 

 Cutaneous branches. 8. Deep, or 

 anastomotic filament of internal cuta- 

 neous branch. 9. Branches to rectus 

 femoris. 10. Branches to vastus ex- 

 ternus. ii, n. Branches to vastus 

 interims. 12, 12. Internal saphenous 

 nerve. 13. Its patellar branch. 14. 

 Vertical, or tibial branch. 15. Obtu- 

 rator nerve. 16. Branch to adductor 

 Iongus. 17. Branch to adductor 

 brevis. :8. Branch to gracilis. 19. 

 Branch to adductor magnus. 20. 

 Lumbo-sacral trunk. 21. Union of 

 this trunk and the first sacral nerve. 

 22, 22. Lumbar and sacral portions 

 of sympathetic. 23. External inguino- 

 cutaneous branch. 



External Popliteal, or Peroneal 

 Nerve. 



. External popliteal nerve. 2. Fibular 

 cutaneous branch. 3. Communicans 

 peronei. 4. External saphenous nerve. 

 5. Trunk formed by the union of the 

 last two. 6. Calcanean branches. 7. Ex- 

 ternal terminal branch. 8. Internal 

 branch. 9, 9. Musculo-cutaneous nerve. 

 10, 10. Its terminal branches, it. Anas- 

 tomosis of its external terminal branch 

 with internal saphenous. 12. Anastomosis 

 of internal terminal branch with ex- 

 ternal. 13. Anterior tibial nerve. 14. Its 

 terminal portion, anastomosing with the 

 musculo-cutaneous and dividing to form 

 the deep dorsal internal collateral 

 branch to the great toe, and the external 

 collateral branch to the second toe. 



The Great Sciatic Nerve. 



. Superior gluteal nerve. 2. Inferior 

 gluteal, or small sciatic nerve. 3,3, 

 3. Branches to gluteus maximus. 4 

 Branch to pyriformis. 5. Genital 

 branch of small sciatic. 6. Femoro- 

 popliteal branch. 7, 7. Trunk of 

 great sciatic. 8. Branch to long head 

 of biceps. 9. Branch to short head. 



10, 10. Branches to semitendinosUB 



11, 11. Branches to semimembrano- 

 sus. 12, 12. Branches to adductoi 

 magnus. 13. External popliteal. 14 

 Internal popliteal. 15. Filament to 

 plantaris. 16,16. Branches to 

 trocnemius. 17. Origin of external 

 saphenous. 



