CHAP. IV.] 



THE SKELETON OF THE LIMBS. 



109 



the knee-pan. Posteriorly they diverge, leaving between them a 

 space called the inter-condyloid fossa {if). The femur does not 

 articulate with the fibula. 



Fig. 68.— The Eight Femur. 



EXPLANATION OF LETTERS IN FIGS. 67 AND CS. 



C. External view. 



D. Internal view. 

 Proximal end. 

 Distal end. 



Surface for patella. 



External condyle. 



External tuberosity. 



Trochanteric fossa. 



Great trochanter. 



Head. 

 ic. Internal condyle. 

 if. Inter-condyloid fossa, 

 it. Internal tuherositj'. 



B. 



F. 

 ap 

 cc. 

 et. 

 f. 



gt. 



h. 



la. Linea aspera. 



It. Lesser trochanter. 



n. Neck. 



J). Pit for ligamentum teres. 



r. Posterior inter-trochanteric ridge. 



In Fig. C, a deiiression may be observed at the 

 lower end of tlie shaft posteriorly, just above 

 tlte external condyle. It is for the sesa- 

 moid to whicli tlie gastrocnemius muscle i.s 

 attached. The depression in the hinder 

 part of the external condyle itself, is for 

 the tendon of the popliteus muscle. 



§ 14. The knee-pan, or patella, is a small bone of an elongated 

 oval shape, which is convex in both directions externally, while 

 internally it is convex transversely, but concave from above down- 



