usually segmental underdevelopment of the ureter causing stenosis and hydronephrosis. ureteral obstruction. may be caused by intraluminal lesions, e.g. urolithiasis, or as part of pyelonephritis or by external compression of the ureter or as a congenital defect. Sudden blockage causes acute abdominal pain that lasts for several hours.
Chuseok (ì¶ì; ç§å¤; [tÉÊ°u.sÊkÌ]), originally known as hangawi (íê°ì; [han.É¡a.É¥i]; from archaic Korean for the great middle (of autumn)), is a major harvest festival and a three-day holiday in Korea celebrated on the 15th day of the 8th month of the lunar calendar on the full moon.
Officially Chinese New Year is celebrated on Chuyi (åä¸ /choo-ee/) the very first day of the new year, Chinese New Year's Day, and Chuxi (é¤å¤ /choo-sshee/), the last day of the previous year, Chinese New Year's Eve. Traditionally though celebrations can start much earlier than Chinese New Year's Eve.