Weibo (å¾®å) is the Chinese word for microblog. Sina Weibo launched its new domain name weibo.com on 7 April 2011, deactivating and redirecting from the old domain, t.sina.com.cn to the new one. Due to its popularity, the media sometimes directly uses Weibo to refer to Sina Weibo.
Dictionary entry overview: What does ulcer mean? â¢ ULCER (noun) The noun ULCER has 1 sense: 1. a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue Familiarity information: ULCER used as a noun is very rare.
A peptic ulcer is a sore or hole that forms in the lining of the stomach or intestine. The word peptic refers to the digestive tract. An ulcer in the lining of the stomach is a gastric ulcer. An ulcer in the first part of the small intestine is a duodenal ulcer. The lining of the stomach is a layer of special cells and mucous. Mucous prevents the stomach and duodenum from being damaged by acid and digestive enzymes. If there is a break in the lining (such as an ulcer), the tissue under the lining can be damaged by the enzymes and corrosive acid. If the ulcer is small, there may be few symptoms. The wound can heal on its own.