The Journal of Anatomy and Physiology, Vol. 4 (Classic Reprint)

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Excerpt from The Journal of Anatomy and Physiology, Vol. 4Exp. 3. Injection of Chloric Acid into the arteries - Dog weighing 15lbs. Tubes inserted as in the last experiment, pressure 7 to 8 inches: 15 drops of a concentrated solution of chloric acid in 3 iij. Of water were injected into the axillary artery. The pressure immediately rose: in 8 it was at 12in. Respira tion was arrested in The action of the heart continued regular, oscillation 1in., at 2' the pressure was 9in., at 3' 30 7in., at 4' it rose to 9in., although the animal lay to all appear ance dead (no movement since the first arrest of the respiration), at 6' 30 pressure at 5in., heart beating regularly, at 7' it rose to 6z3in. This was accompanied by a slight movement of the tail and collapse of the parietes of the thorax by which some air was expelled from the lungs. The pressure now gradually diminished: at 10' after the injection it was at 2in., and the circulation then seemed suspended. On opening the thorax the ventricles were found contracting rhythmically, auricles still, both cavities contained dark blood lungs natural.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.