Seasonal changes in the electrical parameters of the small intestine, colon and bladder mucosa of land tortoises (Testudo hermanni hermanni Gmelin)

Abstract
During hibernation of tortoises, a marked decrease in the short-circuit current together with an increase in the electrical resistance are observed across the small intestine, colon and bladder mucosa and D-aldosterone (which is decreased in the plasma) has no effect on these parameters.