13 12 11 



10 1 



Fig. 127. DISSECTION OF GLUTEAL REGION. i, Origin of gluteus medius. 2, 

 Superior gluteal nerve. 3, Inferior branch of deep division (n) of glutea! artery. 4, 

 Gluteus minimus. 5, Stub of great sciatic nerve. 6, Gemellus superior. 7, Obturator 

 internus. 8, Gemellus inferior. Look for the obturator externus tendon between 8 

 and 19. 9, Great trochanter. 10, Superior branch of deep division of gluteal artery, 

 ii, Deep division of gluteal artery. 12, Superficial division of gluteal artery. 13, 

 Pyriformis reflected. 14, Great sacrosciatic foramen (filled with the structures it 

 transmits). 15, Internal pudic nerve. 16, Internal pudic artery. 17, Nerve to the 

 obturator internus muscle. 18, Great sacrosciatic ligament. 19, Quadratus femoris. 



