Tolvaptan is a vasopressin receptor antagonist. Vasopressin (a.k.a. ADH or antidiuretic hormone) helps to regulate water retention by absorbing water in the collecting ducts of the nephron.
ADH increases the number of _____ inserted into the cell membrane of kidney cells in the collecting ducts to increase water reabsorption. Check Functions of the hormone _____ secreted from the ...