BRANCHES OF THE ABDOMINAL AORTA 



667 



Internal iliac lymph gla _ _ 



Circumflex iliac vessels 



External iliac lymph glands 



Remnant of ingiiiiml 

 ligament 

 Posterior branch of circum- 

 flex iliac artery 

 Lateral cutaneous nerve 

 of thigh 

 External spermatic nerve 



Tensor fascice latce 



Femoral nerve and ante- 

 rior femoral vessels 

 Femoral artery 

 Prefemoral lymph glands 



Deep inguinal lymph 

 glands 



Fascia lata 



Medial patellar ligament 

 Middle patellar ligament 



Saphenous nerves 

 Saphenous vessels 



Fig. 576. — Dissection of Pelvis, Thigh, and Proximal Part of Leg of Horse; Medial View. 

 L, Lumbar vessels; V.c, posterior vena cava; A, aorta (termination); C, sympathetic trunic; 1, internal iliac 

 artery; 2, lateral sacral artery; 3, middle coccygeal artery; 4, lateral coccygeal arterj'; .5, umbilical artery (cut off); 

 6, internal pudic artery; 6', vesico-prostatic artery; 7, obturator artery; S, a. profunda penis (from left obturator); 

 9, posterior gluteal vessels; 10, external iliac artery; 11, 11', deep femoral artery; IS, prepubic artery; 13, branch of 

 deep femoral artery; 14, great sciatic nerve; 15, posterior gluteal nerve; 16 (above), pudic nerve; 16 (below, near 

 pelvic outlet), suburethral venous plexus; 17, sacro-coccygeus ventralis; IS, coccygeus; 19, recto-coccygeus; SO, re- 

 tractor ani; 21, 21', two heads of obturator internus; 22, symphysis pelvis; 23, prepubic tendon; 24 suspensory liga- 

 ment of penis; 26, retractor penis muscle; 26, bulbo-cavernosus muscle: 27, urethra (cross-section) ; S5, cms penis 

 (cross-section); ^5, suspensory ligaments of anus; 50, anal lymph glands; 5i, tibial nerve. (After Schmaltz, Atlas d. 

 Anat. d. Pferdes.) 



