ANATOMY IN A NUTSHELL. 



169 



plain surface, its apex away from you and its anterior surface up, it will tip to 

 the side to which it belong?. 



Blood Supply.— The patella receives twigs from the superficial branch 

 of the anastomotica, anterior tibial recurrent, and the inferior articular of the 

 popliteal. 



'ft 



j |t / •' LUMBRICALIS_ V / | 



1 iff 



Flexor Lonqtjs Digitorum Tendon and Foub Lumbricales. 



Ossification. — One center. It begins during the third year and is com- 

 pleted aboul the age of puberty. 



Articulation.— With two condyles of femur. 



Attachment of Muscles.— Four : the Rectus, Crureus, Vastus interims 

 and Vastus externus. These muscles, joined at their insertion, constitute the 

 Quadriceps extensor cruris. 



