This volume is the most recent of a series of informal treatises on normal and pathologic anatomy. It deals in considerable detail with the renal arterial and venous systems of the dog, as demonstrated by the injection of Plastoid, a technique which the authors admit leads to at least forty per cent shrinkage. The photographic reproduction is excellent. There are many schematic diagrams, the most useful of which deal with the interrelationships between the major renal vessels and the major and minor calyceal systems. The subject is introduced with a discussion of recent trends in renal function by the physiologist, Grupp, whose ruminations take the form of a series of questions. These questions concern renal autoregulation, renal autonomy, low renal venous pressure, and intrarenal heat exchange mechanisms. The reported anatomical studies are designed to supply some of the answers to the physiologist's questions. In most cases, they fail to do
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