200 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- 
A 
WY) 
Fic. 92.—SEcoND LAYER OF MUSCLES ON THE MEDIAL SIDE OF THE THIGH, 
a, M. tensor fascize late; a’, fascia lata; 5, M. rectus femoris; c, M. vastus medi- 
alis; d, M. iliopsoas (cut); ¢, M. pectineus; 4, M. adductor longus; g, M. adductor 
femoris; 4, 2’, M. semimembranosus; 7, M. semitendinosus (2’, its teridon); 7, medial 
head of M. gastrocnemius; 4, M. popliteus; /, M. flexor longus digitorum. 1, patellar 
ligament; 2, ligamentum collaterale tibiale. 
tineus (Fig. 92, ¢). Inner or caudal surface with the adductor 
femoris (Fig. 92, g). 
Action.—Adductor of the thigh. 
M. pectineus (Fig. 92, ¢).—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 
