METHODS OF DEMONSTRATING THE CIRCULATION IN GENERAL

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Abstract
I. INTRODUCTION: SUPERIORITY OF METHODS THAT GIVE EXACT DUPLICATION OF STRUCTURAL RELATIONS AND ARE SUSCEPTIBLE OF PHOTOGRAPHIC ILLUSTRATION By Frank Hinman, M.D. For demonstration of anatomic structure, the method giving exact duplication is superior to one of approximate reproduction, and the ability to present proof of this is an invaluable asset. For this reason, photographic illustration of specimens is superior to the most beautiful drawing and, now that we have color photography, the most life-like painting. Diagrammatic portraiture is often essential to clear presentation, but for proof of a fact falls short of a true likeness of the original, if the original itself is not available. As long ago as 1842, Bowman made the clear-cut statement: "All the blood of the renal artery (with the exception of a small quantity distributed to the capsule, surrounding fat and the coats of the larger vessels) enters the capillary tufts of the malpighian

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