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[Fatty acid absorption in the heart of male mongrel dogs].

Cardiac absorption of nonesterified fatty acids (NEFA) and acids making part of cholesterol and triglyceride ethers from the bloodstream of male dogs was investigated. Changes were assessed on the basis of arteriovenous difference between fatty acid content in lipid fractions of the heart's in- and outflow. The dogs on predominantly animal-fat diets showed outflow changes in the quantitative and qualitative composition of most NEFA, which provide energy substrate, and in the fatty-acid composition of potential NEFA suppliers--cholesterol and triglyceride ethers.