676 



BLOOD-VASCULAR SYSTEM OF THE HORSE 



I nlernal circum- 

 flex vessels 

 Peroneal nerve 



Tibial nerve 

 Posterior femoral 



artery 

 N . cutaneus 



surce 

 Popliteal lymph 



glanels 

 Ga.stroc?te7nius 

 Recurrent tarsal 



vessels 



Tarsal or acces- 

 sory tendon of 

 biceps femoris 



Dee]) flexor of 

 digit 



Gastrocne)?iius 

 tendon 



Superjieial flexor 

 tendon 



Tuber calcis 



Superficial peroneal nerve 

 Deep peroneal nerve 

 Proximal anntdar Uqament 



Middle annular ligament 

 External lateral ligament 



Distal annular ligamerd 



Fig. 455. — Dissection of Pelvis, Thigh, .\nd Leg of Horse, External View. 

 1, Dorsal branches of la.st intercostal and first three lumbar nerves; 2, cutaneous branch of fourth lumbar 

 nerve; 3, ventral branches of last intercostal nerve; 4, branches of ilio-hyijogastric nerve; 5, superficial branch of 

 ilio-inguinal nerve; 6, great sciatic nerve; 7, S, nerves to biceps femoris (from posterior gluteal nerve); 9, nerve to 

 semitendinosus (from same);' 10, posterior cutaneous nerve of thigh; 11, internal pudic nerve; 12, anterior gluteal 

 ve.ssels and nerves; 13, posterior gluteal (or ischiatic) vessels; 14, branches of obturator vessels; 16, proximal 

 muscular branche.s of great sciatic nerve to biceps femoris, semitendinosus, and semimembranosus; 16, nerve to 

 tensor fascia; lata> (from anterior gluteal nerve) ;. 17, gluteus profundus; IS, stump of gluteus medius; 19, gemellus; 

 20, trochanter major; 21, stump of biceps femoris; 22, sacro-coccygeus superior; 22', sacro-coccygeus lateralis; 

 23, coccygeus; 24, sacro-coccygeus inferior; 25, 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 

 ves.seLs; 27 , ilio-lumbar ves.sels; 28, ilio-lumbar ligament or deep layer of lumbo-dor.«al fascia; 29, external angle 

 of ilium; 30, internal angle of ilium; 31, lateral .^acio-iliac ligament; 32, sacro-sciatic ligament. (After Schmaltz, 

 Atla.s (1. Anat. d. Pferdes.) 



