2OO 



THE MUSCLES. 



This depression is called the iliopectineal fossa; it contains the 

 femoral vein and artery and saphenous nerve imbedded in fat 

 (Fig. 127). The medial edge of the adductor longus is in 

 relation with the integument; the lateral edge with the pec- 



FIG. 92. SECOND LAYER OF MUSCLES ON THE MEDIAL SIDE OF THE THIGH. 

 a, M. tensor fasciae latae; a', fascia lata; 6, M. rectus femoris; c, M. vastus medi- 

 alis; J, M. iliopsoas (cut); e, M. pectineus ; /", M. adductor longus; g. M. adductor 

 femoris; A, h' . M. semimembranosus ; *', M. semitendinosus (i 1 , its tendon);/, medial 

 head of M. gastrocnemius ; k, M. popliteus; /, M. flexor longus digitorum. i, patellar 

 ligament; 2, ligamentum collaterale tibiale. 



tineus (Fig. 92, e}. Inner or caudal surface with the adductor 

 femoris (Fig. 92, g]. 



Action. Adductor of the thigh. 



M. pectineus (Fig. 92, e). A flat band of fibres closely 

 united with the adductor longus (/"), of which it appears to be 

 a lateral continuation. 



Origin by fleshy fibres from the lateral one-fourth of the 

 cranial border of the pubis. The muscle passes over the 

 smooth outer surface of the pubis between its origin area and 



