. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine . r. c, vena cava superior; s. v, sinus venosus; hp, hepatic;I11, right lobe of liver; Iv, left lobe of liver; pt. c, vena cava inferior; ov, ovarian;d. I, dorso-lumbar; od, oviducal; , renal-portal; fm, femoral; sc, sciatic; a,femoro-sciatic anastomosis; pv, right pelvic; vs, vesical; ant. ab, anterior ab-dominal; a, abdominal-portal anastomosis; W, ileal; sp, splenic; du, duodenal;I. int, lieno-intestinal; g, gastric; p, portal; Ig, left lung; pul, pulmonary; m. cu,musculo-cutancous
. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine . r. c, vena cava superior; s. v, sinus venosus; hp, hepatic;I11, right lobe of liver; Iv, left lobe of liver; pt. c, vena cava inferior; ov, ovarian;d. I, dorso-lumbar; od, oviducal; , renal-portal; fm, femoral; sc, sciatic; a,femoro-sciatic anastomosis; pv, right pelvic; vs, vesical; ant. ab, anterior ab-dominal; a, abdominal-portal anastomosis; W, ileal; sp, splenic; du, duodenal;I. int, lieno-intestinal; g, gastric; p, portal; Ig, left lung; pul, pulmonary; m. cu,musculo-cutancous; br, brachial. course of the circulation will show that the heart is throughoutvenous, the blood being oxidized in the gills after leaving theformer. Among the amphibians, represented by the frog, there aretwo auricles separated by an almost complete septum, and one THE CIRCULATION OF THE BLOOD. 247 ventricle characterized by a spongy arrangement of the muscle-fibers of its walls. In the reptiles the division between the auricles is complete,and there is one ventricle which shows imperfect
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyo, bookyear1890
