Vasopressin is a peptide hormone that increases water permeability of the kidney's collecting duct and distal convoluted tubule by inducing translocation of aquaporin-CD water channels in the plasma membrane of collecting duct cells.asopressin released within the brain has many actions: 1  Vasopressin is released into the brain in a circadian rhythm by neurons of the suprachiasmatic nucleus. 2  Vasopressin released from centrally projecting hypothalamic neurons is involved in aggression, blood pressure regulation, and temperature regulation.
Nagoya: Annual Weather Averages. August is the hottest month in Nagoya with an average temperature of 28Â°C (82Â°F) and the coldest is January at 4Â°C (39Â°F).
August is the hottest month in the main islands, while in the small southern islands there is no difference between July and August. In August, the daily average temperature is around 22 Â°C (71 Â°F) in Hokkaido, 24.5 Â°C (76 Â°F) in the north of Honshu, and 27 Â°C (81 Â°F) in the area of Tokyo. The heat is hardly bearable in Tokyo, Osaka and in the big cities of southern Honshu and Kyushu, due to high humidity, but also to the so called urban heat island effect. In the hottest periods, minimum temperatures around 25/27 Â°C (77/81 Â°F) are not uncommon. In most of Japan, summer is the rainiest season of the year.