What was the first professional organization of physiologists?

The first organization of physiologists was the Physiological Society founded in 1876 in England. In 1878 the Journal of Physiology began publication as the first journal dedicated to reporting results of research in physiology. The American counterpart, the American Physiological Society, was founded in 1887. The American Physiological Society first sponsored publication of the American Journal of Physiology in 1898.