138 



THE THIGH BONE. 



the ischium (n), and pubis (in). The continuity of the mar- 

 gin is interrupted at the under and fore part, by a notch (/), 

 which is filled up with ligament. Opposite the notch is a cavity 

 (#), to which the round ligament of the / emur is attached. The 

 axis of the pelvis is so placed that the weight of the trunk 



Fig. 132. F i g . 133 . Fig. J34. ' 



does not rest on the 

 outlet, but upon the tu- 

 berosities of the ischia 

 (fig 132, a). The open- 

 ing of the outlet, there- 

 fore, points downwards 

 and backwards, and 

 that of the brim for- 

 wards and np wards. 



[ 264. THE THIGH 

 is composed of a single 

 bone, the femur (figs. 

 133 and 134). It con- 

 sists of a head, neck, 

 tro chanters, body, and 

 condyles. The round 

 head (1) has a pit for 

 the insertion of the 

 round ligament (2), which is accurately adapted to the ace- 

 tabulum and retained therein by ligaments and atmospheric 

 pressure. The neck (3) connects the head with the shaft or 

 body. At the point where it joins the latter, we observe two 



