Abstract
Cryostate sections of the rat stomach fundus were incubated in the presence of uridine 5'-diphosphate-[3H]-galactose. The radioactivity in the surface mucous epithelial cells was shown by autoradiography to be specifically incorporated into a supranuclear area, the area where in these cells the Glogi system is situated. The incorporation lasted only 5-6 min and was Mn++ dependent. Galactose was probably incorporated into a beta-glycosidic bond.
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