The lipid composition of plasma membranes (a brush margin and basolateral membranes) of enterocytes from the jejunum of cattle: adult animals (aged 1.5-3) and newborns (3-5 days) both healthy and suffering from diarrhea has been studied. Substantial differences are established in the content of phospholipids, cholesterol and fatty acids in the brush margin and basolateral membranes as well as in the both membrane fractions of the adult, newborn and sick animals.
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