MEDIAL SIDE OF THE THIGH 



273 



externus at the obturator foramen, and, distally, to its disappear- 

 ance in the adductor magnus. 



Nervus Obturatorius. The obturator nerve is a branch 

 of the lumbar plexus. It escapes from the pelvis by passing, 



Anterior superior \ 



spine of ilium 



M. tensor fasciae 



lata: 



M. sartorius 



Anterior inferior 

 spine of ilium 



M. rectus femori 



M. glutaeus 

 minimus 



M. glutaeus 

 medius 



M. iliacus 



M. psoas 



External iliac vessels 



Femoral nerve (O.T. anterior crura) 



Capsule of hip joint, grooved 

 M. pectineus 



Obturator 

 nerve 



M. ilio-psoa 



M. pectineus : > vl A > } 



Profunda femoris. 

 vessels 



M. vastus lateralis 



M. vastus inter- 

 medius 



M. rectus femoris 1 



Femoral vessels and 

 saphenous nerve 



M. sartorius 



FIG. 123. Dissection of the Front of the Thigh. The hip joint has been 

 exposed by removing portions of the muscles which lie anterior to it. 



with its companion vessels, through the upper part of the 

 obturator foramen of the hip bone (Fig. 125). While still 

 within the foramen it divides into an anterior and a 

 posterior division. 

 VOL. i is 



