. The anatomy of the domestic animals . Veterinary anatomy. 716 THE BLOOD-VASCULAR SYSTEM OF THE OX 2. The ileo-caeco-colic artery ramifies on the right face of the spiral part of the colon. It gives off the ileo-csecal artery, which divides into ileal and csecal arteries. 3. The ramus coUateralis runs in the mesentery in a curve along the ventral border of the coils of the colon. (This vessel is absent in the sheep.) 4. The continuing trunk (Truncus intestinalis) of the anterior mesenteric pursues a course in the mesentery corresponding to the series of mesenteric lymph glands and is connecte
. The anatomy of the domestic animals . Veterinary anatomy. 716 THE BLOOD-VASCULAR SYSTEM OF THE OX 2. The ileo-caeco-colic artery ramifies on the right face of the spiral part of the colon. It gives off the ileo-csecal artery, which divides into ileal and csecal arteries. 3. The ramus coUateralis runs in the mesentery in a curve along the ventral border of the coils of the colon. (This vessel is absent in the sheep.) 4. The continuing trunk (Truncus intestinalis) of the anterior mesenteric pursues a course in the mesentery corresponding to the series of mesenteric lymph glands and is connected with the ramus coUateralis. The two preceding vessels are essentially the arteries of the small intestine, which they supply with the exception of its initial and terminal parts. The ramus coUateralis gives off no considerable branches in its course along the ventral border of the coils of the colon, but on curving upward along the latter it anastomoses with. Fig. 600.—Pelvic Arteries op Cow. Part of the right wall of the uteru3 and vagina is removed and the cervix uteri is shown in sagittal section, a, Aorta; b, utero-ovarian artery; b', ovarian, and b"j uterine branch of b; c, external iliac artery; d, right internal iliac artery; e, common trunk of umbilical artery {e') and middle uterine artery (f); g, ilio-Iumbar artery; h, anterior gluteal arteries; i, middle heemorrhoidal artery; k, posterior uterine artery; I, perineal artery; m, posterior gluteal artery; n, obturator arteries; o, artery of clitoris; p, posterior mesenteric artery; r, anterior hgemorrhoidal artery; s, middle sacral artery; 1, ovary; 2, apparent body of uterus, really apposed horns; 2', horn of uterus; 3, vagina; 4i neck of uterus; 4', external orifice of uterus (os uteri); 5, 5', broad ligaments, large part of right one removed; 6, urinary bladder; 7» rectum; 8, sacrum; 9, symphysis pelvis. (After Zieger.) the continuing trunk of the anterior mesenteric artery and detaches numerous branches to
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