A text-book of veterinary obstetrics : including the diseases and accidents incidental to pregnancy, parturition and early age in the domesticated animals . terineartery. This vessel, on reaching the smaller curvature of the cornua,also divides into two portions—an anterior, anastomosing its brancheswith the utero-ovarian ; and a posterior, spreading over the body of theorgan and communicating with the artery of the vagina. The blood is 42 OBSTETRICAL ANATOMY. conveyed from the uterus by corresponding veins, which are morenumerous than the arteries, and are capable of great distention. Tlieyha
A text-book of veterinary obstetrics : including the diseases and accidents incidental to pregnancy, parturition and early age in the domesticated animals . terineartery. This vessel, on reaching the smaller curvature of the cornua,also divides into two portions—an anterior, anastomosing its brancheswith the utero-ovarian ; and a posterior, spreading over the body of theorgan and communicating with the artery of the vagina. The blood is 42 OBSTETRICAL ANATOMY. conveyed from the uterus by corresponding veins, which are morenumerous than the arteries, and are capable of great distention. Tlieyhave no valves. In animals which have bred frequently, the vessels aregreatly enlarged and very fiexuous; indeed, from an early period thearteries are remarkable for their large size, their tortuous course, andtheir frequent anastomoses ; while the considerable calibre of the veinsis as conspicuous as the complex networks they form. The lymphatic vessels issuing from the organ are as remarkable fortheir large size as for their number; they all proceed towards the sub-lumbar region. The nerves are derived from the small mesenteric and pelvic rig. of Maees , Anterior Abdnmiual Ganglion ; b, Posterior Abdominal Ganglion ; c, ALumbar Ganglion of the Sympathetic Chain ; d, d. Anterior HypogastricNerves ; e. Lymphatic Connection with the Right Pelvic Plexus : f, ;/,Branches from the Third and Fourth Sacral Nerves to the Pelvic Plexus ;1, Ovarian Artery ; 2, Uterine Artery ; 3, Uterine and Vesical Artery ;4, Branch of the Internal Pudic Vein; 5, Ovarian and Uterine Vein ; (3, LeftLTterine Cornu. When the gravid uterus increases in volume, it pushes the pelvicflexure of the colon before it as it advances into the abdominal cavity, onto the floor of which it gradually descends and rests until the termina-tion of pregnancy. As has been mentioned, in this advance and descentit carries with it the cervix and vagina, which is considerably length-ened, the tracti
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