Abstract
Summary
1. A gradient column of polyvinylpyrrolidone in 10% saline sharply divides the fat particles of alimentary lipemic plasma into 2 groups. The particles of both groups float in isotonic saline, density 1.006. 2. During alimentary lipemia the 2 groups differ in rates of appearance and disappearance, and in fatty acid composition. Evidence is presented that one group consists of particles from thoracic duct chyle, and that the other group consists of particles originating elsewhere, possibly the liver.
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