HORMONE-STIMULATED EXOCYTOSIS IN THE TOAD URINARY BLADDER : Some Possible Implications for Turnover of Surface Membranes

From the Department of Physiology, Mt. Sinai Medical and Graduate Schools of the City University of New York 10029, and the Department of Biological Sciences, Columbia University, New York 10027.

From the Department of Physiology, Mt. Sinai Medical and Graduate Schools of the City University of New York 10029, and the Department of Biological Sciences, Columbia University, New York 10027.

From the Department of Physiology, Mt. Sinai Medical and Graduate Schools of the City University of New York 10029, and the Department of Biological Sciences, Columbia University, New York 10027.