Biliary Excretion of Cholic Acid and Cholesterol in Hyper-, Hypo-, and Euthyroid Rats.

Abstract
Bile was collected daily for 7 days from the cannulated bile ducts of hyper-, hypo-, and euthyroid rats. The excretion of cholesterol was related to thyroid activity. Cholic acid and cholesterol excretion was lowered in both hyper- and hypothyroidism in the immediately postoperative period but after 3-4 days these levels reached a plateau.