. The Biochemical journal, 1906. Biochemistry. 5B BIO-CHEMICAL JOURNAL glomerular vessels. The difference between the diameters of the afferent and efferent vessels probably can be taken as a measure of the amount of concentration the blood undergoes. Holding to the above view of the conditions in the kidney, 1 do not conceive as possible the distribution of pressure shown by Fig. 3, which is given in Starling's text book (after Morat).. Fig. 3 The curves, i, 2, and 3, are supposed to show the pressure in the glomerular capillaries, (i) in the normal condition, (2) in the condition ot vaso-con


. The Biochemical journal, 1906. Biochemistry. 5B BIO-CHEMICAL JOURNAL glomerular vessels. The difference between the diameters of the afferent and efferent vessels probably can be taken as a measure of the amount of concentration the blood undergoes. Holding to the above view of the conditions in the kidney, 1 do not conceive as possible the distribution of pressure shown by Fig. 3, which is given in Starling's text book (after Morat).. Fig. 3 The curves, i, 2, and 3, are supposed to show the pressure in the glomerular capillaries, (i) in the normal condition, (2) in the condition ot vaso-constriction, (3) of dilatation of the venule B. It seems impossible that there should be the wide difference of pressure between A and C shown in curves i and 2, for if such a pressure existed C would be obliterated by the pressure transmitted through the walls of A ; also, C would be obliterated by the pressure of the urine supposed to be filtered through the walls of A into the capsule. The obliteration of C would at once lead to the pressure in C approxi- mating to that in A. There is, moreover, no evidence that the venule B is a contractile tube. I hold the view that the whole kidney is expanded at each stroke of the heart by a force which equals the systolic pressure minus that. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Biochemical Society (Great Britain); University of Liverpool. Biochemical Dept. London [etc. ] Cambridge University Press


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