Ulcerative colitis is an inflammatory bowel disease of unknown cause in which the gastrointestinal tract is unable to distinguish foreign from self-antigens. It is characterized by chronic inflammation of the colonic mucosa and submucosa, atrophy and possibly dysplasia limited to the colon.
Kehlani is a 21 year old American Singer born on 24th April, 1995 in Oakland, California. Kehlani is a member of the following lists: Musicians from Oakland, California, 1995 births and American singer-songwriters.
Ibn KhaldÅ«n (May 27, 1332 â March 19, 1406) was an Ifriqiyan (North Africa) Arab Muslim historiographer and historian, regarded to be among the founding fathers of modern sociology, historiography, demography, and economics. He is best known for his book, the Muqaddimah (Prolegomena).