912 



HUMAN ANATOMY 



ascends the back of the thigh along with the sciatic nerve, either uniting above with one 

 of the branches of the deep femoral or continuing into the pelvis with the nerve to become a 



Fig. 768. 



Tibial nerve 



Semitendinosus muscle 



Popliteal artery 

 Semimembranosus muscle 



Azygos articular vein 



Communication with 



internal saphenous vein 



Popliteal vein 



J 



External saphenous vein 



Sural veins 



Gastrocnemius muscle, 



inner head 



Popliteus muscle 



Posterior tibial artery 

 Communication between 

 anterior and posterior 



tibial veins 



Posterior tibial veins 



Communication with 



deep femoral vein 



Biceps muscle 



Superior external 



articula'- veins 



Plantaris muscle 



Gastrocnemius, 



outer head 



Anterior tibial vein 

 Anterior tibial artery 



Soleus, cut surface 



Gastrocnemius, 



cut surface 



Deep fascia, cut edge 



Veins of right popliteal space. 



tributary of the internal iliac vein. This last arrangement recalls an anomaly occasionally pre- 

 sented by the sciatic artery (page 815). and is probably due to the same embryological conditions. 



