. The anatomy of the domestic animals. Veterinary anatomy. 674 BLOOD-VASCULAR SYSTEM OF THE HORSE fasciae latse to the fold of the flank, supplying hraiiches to that muscle, the cutaneus, the prefemoral lymph jilanils, ami the skin. 2. The external spermatic or cremasteric artery (A. spermatiea externa) is a very small vessel which arises in a variable manner. It springs most often from the external iliac near the origin of the latter, but may come from the circumflex iliac, the aorta between the external and internal iliac, or the latter vessel. It accom- panies the cremaster muscle to the in
. The anatomy of the domestic animals. Veterinary anatomy. 674 BLOOD-VASCULAR SYSTEM OF THE HORSE fasciae latse to the fold of the flank, supplying hraiiches to that muscle, the cutaneus, the prefemoral lymph jilanils, ami the skin. 2. The external spermatic or cremasteric artery (A. spermatiea externa) is a very small vessel which arises in a variable manner. It springs most often from the external iliac near the origin of the latter, but may come from the circumflex iliac, the aorta between the external and internal iliac, or the latter vessel. It accom- panies the cremaster muscle to the inguinal canal, supplies twigs to that muscle, the tunica vaginalis, and t)ther constituents of the spermatic cord (Fig. 575). 2a. The middle uterine artery (A. uterina media) of the female is regarded as the homologue of the preceding vessel; it has a similar origin, but is a much larger artery. It enters the broad ligament of the uterus, in which it pursues a flexuous course to the posterior part of the horn of the uterus. Its branches are distributed to the uterus and anastomose with those of the other uterine arteries. The Femoral Artery (Figs. 575, 576j The femoral artery is the main arterial trunk of the thigh. It begins at the level of the anterior border of the pubis, from which it is separated by the femoral. Fig, 5s2.—Dissection of Inguinal Region and Medial Surface of Thigh of Horse. 1, External pudic artery; 2, anterior branches of /; 3, posterior branches of /; 4, transverse anastomosis betwei-i) external pudic veins; 4\ venous plexus of dorsum penis; 5, femoral artery; ff, saphenous nerve; 7, anterior border "1 external inguinal ring; 5, obliquus abdominis internus; 9, posterior border of external inguinal ring; 10, tunica Vhu inalis; 7/, ductus deferens; 7^, cremaster muscle: 75, prepuce: i^, glanspenis; , external urethral orifice: 16, terior branches of circumflex iliac vessels; 7 7, saphenous vessels; i5, fold of flank; ii>, penis (cut); ,A, su
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectveterinaryanatomy
