Excerpt from Practical Physiology
The Institutes of Medicine, the older and better name for Physiology, are the basis of Medicine; the investigation of the abnormal subject must be founded upon the study of the healthy organism. The importance of practical physiology is undoubted, but there is considerable difference of opinion as to the nature and scope of the experimental work which is most suitable for a medical student. Nevertheless, it is becoming more clearly recognised that the practical work should have a direct relation to medicine and, as far as possible, the experiments should be performed upon man.
In the present book the authors have given a further extension to practical physiology along these lines. They have built largely upon the foundations of the Practical Physiology by A. P.Beddard, J.S. Edkins, M.Flack, Leonard Hill, J.J. R.Macleod and M.S. Pembrey. The third edition of that book was exhausted two or three years ago, and most of the contributors are no longer engaged in the teaching of physiology to medical students. The present authors wish to thank them heartily for their kind permission to make full use of their contributions.
The volume is divided into two parts: Part I, Experimental Physiology, Elementary Course by D.Noel Paton, Advanced Course by M.S. Pembrey ;and Part II, Chemical Physiology by E. P.Cathcart. The special chapter upon the Investigation of the Motor Functions of the Alimentary Canal by Means of the X-Rays, which appeared in the third edition of Practical Physiology, has been revised by its author, Dr. Hurst; for this valuable contribution hearty thanks are given.
Figures have been borrowed from The Essentials of Human Physiology, by D.Noel Paton, and from The Physiological Action of Drugs, by M.S. Pembrey and C.D. F.Phillips. For the loan of blocks the authors are indebted to Messrs. Baird and Tat lock, Hatton Garden, E.G., Messrs. William Green and Son, Edinburgh, and Messrs. Henry Frowde and Hodder and Stoughton, London.
The drawings of crystals were executed by Mr. W.R. M.Turtle for the first edition of Practical Physiology. The sources of other diagrams and tracings, which have been borrowed, are indicated in the description of the figures. The initials of the author, who took the record of the original tracings, are appended to the respective curves.
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