THE INTERNAL ILIAC ARTERY 



671 



Superficial peron^ 



Deep peroneal nerve 

 Proximal annular liganunt ■ 



Middle annular ligament- 

 External lateral ligami nt - 



Distal annular liganutit - 



Deep femoral 



vessels 

 Peroneal nerve 



Tibial nerve 

 Posterior femoral 



artery 

 N . cutaneus 



suree 

 Popliteal lymph 



glands 

 Gastrocnemius 

 Recurrent tarsal 



vessels 



Tarsal or acces- 

 sory tendon of 

 biceps femoris 



Deep flexor of 

 digit 



Gastrocnemius 

 tendon 



Superficial flexor 

 tendon 



Tuber calcis 



Fig. 580. — Dissection of Pelvis, Thigh, and Leg of Hobse ; Lateral View. 

 i. Dorsal branches of last thoracic and first three lumbar nerves; S, cutaneous branch of fourth lumbar nerve; 3, 

 ventral branches of last thoracic nerve; 4> branches of ilio-hypogastric nerve; 5, superficial branch of ilio-inguinal nerve; 

 6, great sciatic nerve; 7, ,!?, nerves to biceps femoris (from posterior gluteal nerve); 9, nerve to semitendinosus (from 

 same); 10, posterior cutaneous nerve of thigh; 11, pudic nerve; IS, anterior gluteal vessels and nerves; 13, posterior 

 gluteal vessels; 14, branches of obturator vessels; IS, proximal muscular branches of great sciatic nerve to biceps fem- 

 oris, semitendinosus, and semimembranosus; 16, nerve to tensor fascia latse (from anterior gluteal nerve) ; 17, gluteus 

 profundus; 15, stump , of gluteus medius; 15, gemellus; ^0, stump of quadratus femoris; il, stump of biceps femoris; 

 ^3, sacro-coccygeus dorsalis; SB', sacro-coccygeus lateraUs; 23, coccygeus; ^4, sacro-coccygeus ventrahs; 35, line of 

 fusion of aponeuroses of internal and external oblique muscles of abdomen; 25', aponeurosis of external oblique muscle 

 (lamina iliaca); 26, branches of iliaco-femoral vessels; 27, ilio-Iumbar vessels; 2S, ilio-lumbar ligament or deep layer 

 of lumbo-dorsal fascia; 29, tuber coxae; 30, tuber sacrale; 31, lateral sacro-iliac ligament; 32, sacro-sciatic ligament. 

 The ventral part of a nineteenth rib is shown in front of S. (After Schmaltz, Atlas d. Anat. d. Pferdes.) 



