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.
Korean People's Army Foundation Day in North Korea. April 25 is a public holiday in the Democratic People's Republic of Korea (North Korea) called Korean People's Army Foundation Day or Military Foundation Day. Originally it was celebrated on February 8, but Kim Il-sung changed the date in 1971.he Faroe Islands celebrates the same public holidays as Denmark as it is an autonomous country within the Kingdom of Denmark. But it has its own holidays as well. For example, April 25 is National Flag Day in the Faroe Islands.