THE PERIPHERAL NERVOUS SYSTEM. 



401 



glutc 



FIG. 163. DISSECTION OF 

 LEG, LATERAL VIEW, TO 

 SHOW DISTRIBUTION OF THE 

 GREAT SCIATIC NERVE. 

 The biceps, caudoiemoralis, 

 :eus maximus, gluteus me- 

 dius, tensor vaginae femoris, 

 and part of the peroneus 

 longus have been re- 

 moved. , N. ischia- 

 dicus or great sciatic 

 nerve; l>, muscular 

 branch; c, X. suralis; 

 if. X. peroneus com- 

 ^ munis; t ; X. libialis; 

 _/. X . peroneus pro- 

 fundus; g, N. pe- 

 roneus superficialis 

 and its terminal 

 branches; //, branch- 

 es of X. cutaneus 

 femoris posterior; z, 

 X. gluteus inferior; j, 

 X. gluteus superior; k, 

 vena saphena parva; 

 k ', communicating 

 branch to V. glutea in- 

 ferior. I, M. sartorius; 2, 

 cut origin of M. gluteus me- 

 dius; 3, cut origin of M. glu- 

 teus maximus; 4, cut origin of 

 M. caudofemoralis; 5, M. gluteus 

 * minimus; 6, M. gemellus superior; 

 7, M. pyriformis; 8, M. flexor caudse 

 longus; 9, M. obturator internus; 10, 

 M. quadratus femoris; II, tuberosity of the 

 ischium; 12, great trochanter of femur; 13, 

 M. rectus femoris; 14, M. vastus lateralis; 

 15, M. adductor femoris; 16, M. semimem- 

 branosus; 17, M. semitendinosus (the slender 

 ribbon-like muscle crossing this is M. 

 tenuissimus) ; 18, M. vastus intermedius; 19, 

 M. plantaris; 20, M. gastrocnemius; 21, M. 

 peroneus longus (cut); 22, M. tibialis an- 

 terior; 23, M. extensor longus digitorum; 

 24, transverse ligament; 25. M. peroneus 

 brevis; 26, M. soleus; 27, tendon of Achil- 

 les; 28, M. extensor brevis digitorum; 29, ' 

 tendon of M. peroneus tertius. 





