(Excerpt from History of the Discovery of the Circulation ...)
Excerpt from History of the Discovery of the Circulation of the Blood The name of Herophilus ought to be familiar to all students of anatomy, as many parts of the human body, such as the Choroid Plexus, the Torcular Herophili, the Calamus Scripto rius, the Duodenum, etc., were first described by him. The most important contribution that he made to our knowledge of the vascular system was the demonstration of the isochronism of the pulsations of the arteries and of the beating of the heart, and of the latter being the cause of the former, a phenomena that had already been imperfectly referred to by Hippocrates and Aris totle. Herophilus noticed also the difference in the thickness of the walls of the arteries and of the veins, and described the vessels connecting the heart and the lungs, distinguishing the pul monary artery from the pulmonary vein, designating the former as the arterial vein and the latter as the venous artery. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This 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.
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https://www.amazon.com/Evolution-Life-Henry-Cadwalader-Chapman/dp/1166463109?SubscriptionId=AKIAJRRWTH346WSPOAFQ&tag=prabook-20&linkCode=sp1&camp=2025&creative=165953&creativeASIN=1166463109
(This historic book may have numerous typos and missing te...)
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1899 Excerpt: ...seen to be the case, that the amount of urea excreted is greatly increased upon a highly nitrogenous diet, and that heat, the ultimate source of muscular force, can be developed through the combustion of nitrogenous, as well as of fatty or carbohydrate foods, the former means of obtaining the necessary heat being, however, a far more expensive way than the latter, and entailing greater work upon the system. It is true that, if the coal gives out, the steamer can be supplied with fuel from its masts, shrouds, etc., and other integral parts of its structure; one docs not resort, however, save in dire necessity, to such a source of fuel. The facts of the case of Weston, just referred to, are essentially as follows: Weston walked in five consecutive days 310 miles, losing in weight 3J pounds. 1173.80 grains of nitrogen were taken into the system in the food, and 1807.60 grains were eliminated from it in the excreta, leaving 633.80 grains of nitrogen to be accounted for, which were evidently derived from the 3 pounds of tissue lost, the latter containing 633.80 grains of nitrogen; the remaining quarter of a pound, lost in weight, probably being due to the combustion of fat and elimination of water. Such being the case, and Weston having, therefore, little, if any, superfluous fat or carbohydrate matter at disposal for the production of heat or force, it would appear, from the large quantity of nitrogen eliminated, that his nitrogenous tissues were largely drawn upon to supply, through combustion, the heat incidental to the production of such a muscular effort. The 3 pounds of muscular tissue lost by AVeston during the walk, supplied, therefore, the body with 3 pounds of nitrogenous food, which, in being consumed, accounted for the elimination of 633.80 grains of...
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https://www.amazon.com/Manual-Medical-Jurisprudence-Toxicology/dp/1313698555?SubscriptionId=AKIAJRRWTH346WSPOAFQ&tag=prabook-20&linkCode=sp1&camp=2025&creative=165953&creativeASIN=1313698555
Henry Cadwalader Chapman was born on August 17, 1845 in Philadelphia, Massachusetts, United States, the son of Lieutenant George W. Chapman, U. S. N. , and his wife Emily Markoe. He was a grandson of Nathaniel Chapman, the distinguished physician.
Chapman received his preliminary education in the Faires Classical Institute, then the best known private school in Philadelphia. Then he entered the College Department of the University of Pennsylvania, from which he graduated in 1864. He studied medicine in the Medical Department, receiving his Doctor of Medicine degree in 1867. Later he went abroad and for three years studied under the leading teachers of his time, Sir Richard Owen in London, Alphonse Milne Edward in Paris, Emile Du Bois- Reymond in Berlin, and Joseph Hyrtl in Vienna. The University of Pennsylvania gave him the degree of Doctor of Science in 1908.
Chapman served for two years as a resident physician in the Pennsylvania Hospital. From 1872 he took the most active interest in the affairs of Academy of Natural Sciences of Philadelphia, contributing to its Proceedings and serving at various times as curator. In 1874 he became prosector to the Zoological Society of Philadelphia and thereby secured a great supply of various types of animals for dissection.
From 1873 to 1876 he was Leidy’s assistant in teaching anatomy at the University of Pennsylvania and in 1877 he became demonstrator of physiology in Jefferson Medical College. After the death of Prof. J. A. Meigs, in 1879, Chapman was appointed professor of the institutes of medicine and medical jurisprudence at Jefferson. From 1878 to 1888 he was also professor of physiology in the Pennsylvania College of Dental Surgery. For a few years he was coroner’s physician of Philadelphia.
He published The Evolution of Life in 1873, an immature performance which according to his friend Nolan he subsequently regretted. In 1887 he published a Treatise on Human Physiology, reprinting in it a brochure on the History of the Discovery of the Circulation of the Blood which had been privately printed in 1884.
In 1891 he wrote a Memoir of Joseph Leidy for the Proceedings of the Academy of Natural Sciences. In 1892 appeared his Manual of Medical Jurisprudence and Toxicology.
(Excerpt from History of the Discovery of the Circulation ...)
(Unlike some other reproductions of classic texts (1) We h...)
(This scarce antiquarian book is a facsimile reprint of th...)
(This historic book may have numerous typos and missing te...)
(Lang:- eng, Pages 66. Reprinted in 2015 with the help of ...)
Chapman was a member of the Academy of Natural Sciences of Philadelphia. He was a fellow of the College of Physicians of Philadelphia, and a member of the Franklin Institute and the American Philosophical Society.
In 1876 Chapman married Hannah N. Megargee, daughter of Samuel Megargee.
