Localization of vitamin A in the small intestine of mouse

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Abstract
Localization of vitamin A in the small intestine of mice was studied with electron microscope radioautography after administration of tritiated vitamin A. The label was concentrated over lipid droplets in cells distributed in the lamina propria and the submucous layer. The cells were similar both to fibroblasts and to fat-storing cells in their morphological features. The name “Vitamin A-Storing Cell” is proposed for these labeled cells, including the fat-storing cell in the liver.