The infection causes inflammation of the colon, resulting in pain in the left lower abdomen that might also be felt in the back. Other possible symptoms of diverticulitis include fever, constipation, nausea or diarrhea.
On the Internet, an autonomous system (AS) is the unit of router policy, either a single network or a group of network s that is controlled by a common network administrator (or group of administrators) on behalf of a single administrative entity (such as a university, a business enterprise, or a business division).
2. An autonomous self-replicating unit that may exist as functional independent unit of life (as in the case of unicellular organism), or as sub-unit in a multicellular organism (such as in plants and animals) that is specialized into carrying out particular functions towards the cause of the organism as a whole. 3.