Download A History of Gastric Secretion and Digestion: Experimental by Horace W. Davenport PDF

By Horace W. Davenport

This booklet examines the heritage of experimental learn in gastric secretion and digestion. the writer identifies the medical questions that experience occupied researchers and discusses the experiments that experience resulted in their recommendations. by way of keeping apart features of experimental learn and tracing their evolution through the years, the e-book offers gastric physiologists and gastroenterologists with an exceptional knowing of the highbrow historical past in their box.

Show description

Read or Download A History of Gastric Secretion and Digestion: Experimental Studies to 1975 PDF

Best digestive organs books

Laparoscopic Gastrectomy for Gastric Cancer: Surgical Technique and Lymphadenectomy

This e-book provides surgical recommendations and unique illustrations of laparoscopic gastrectomy for gastric melanoma, targeting potent, concise steps and strategies. It describes intimately the perigastric anatomy, and the incidences of every anatomical constitution are analyzed statistically. It additionally discusses classes discovered and top practices within the administration of gastric melanoma sufferers, and comprises video captures of distinctive operational suggestions -essential assets for gastrointestinal laparoscopic surgeons.

Signaling pathways in liver diseases

Signaling Pathways in Liver illnesses, 3rd version back presents hepatologists and hepatology researchers with knowledgeable evaluation of the advanced and novel cellular/extracellular signaling pathways within the liver, and their position in liver illnesses. the previous few years have visible a large number of advancements during this box, which in flip have resulted in new possibilities for leading edge remedies; even if, the intricacy of those pathways and their interactions proceed to supply a true problem for clinicians.

Adenocarcinoma of the Esophagogastric Junction: From Barrett's Esophagus to Cancer

This e-book bargains up to date and finished assurance of the analysis and remedy of adenocarcinoma of the esophagogastric junction (EGJ). As is suitable within the period of multidisciplinary and multimodal therapy, the contributions of the entire a number of experts concerned cooperatively within the remedy of EGJ melanoma are completely defined.

Extra info for A History of Gastric Secretion and Digestion: Experimental Studies to 1975

Example text

01 II ~. ":< • LOO 10 o... 11 . . • • . •• ~· .... • ••• • t • • • • •• • • ---·-•--r•--• • • • ". • • • . 2 0.! 7 Ql Figure 1-13. Left: Ordinates, mobilities of bromidein water (top) obtained fromLandolt-Bornstein's Physikalische-Chemie Tabellen, plotted against molarity as abscissae. Below, the same for chloride. Right: a, the ratio of mobilities of bromide to chloride plotted against the ratio of the concentrations of the two ions in plasma; b, the secretion constant according to equation (1-2) plotted against the ratio of the two ions in plasma.

Because the chemical potential in each solution is equal tothat ofthe solid phase, the chemical potentials ofthe drugs in solution are equal to each other. , . I did the measurements and made the calculations given in Table 1-5. Sulfanilamide appeared in gastric juice at its equilibrium concentration and the others at lower concentrations; no work was done when any drug was secreted. T o explain the other characteristics of Sulfonamide secretion, I considered a unit volume ofblood in a gastric mucosa that is secreting at the rate of R ml min - 1• The blood contains the drug at activity J;,[P], and the drug diffuses into the gastric juice where its activity isk[GJ].

He removed the fluid at intervals to sample it and to measure its volume, and then he immediately replaced the remainder. In the model experiment, Teorell compared the observed with the predicted concentration changes, finding them similar to those in the animal experiment. Teorell elaborated these experiments by studying the behavior of strong and weak acids in the cat's stomach. Perchiarie acid gave results similar to those obtained with hydrochloric acid, but with sulfuric acid the concentration ofhydrogen ions decreased more slowly.

Download PDF sample

Rated 4.68 of 5 – based on 46 votes