【摘 要】
：
Ghrelin causes interdigestive contractions of the stom-ach in rats. However, it remains unknown whether ghrelin causes interdigestive contractions in the small
【机 构】
：
Department of Surgery
论文部分内容阅读
Ghrelin causes interdigestive contractions of the stom-ach in rats. However, it remains unknown whether ghrelin causes interdigestive contractions in the small intestine. Four strain gauge transducers were implanted on the antrum, duodenum, proximal and distal jejunum. After an overnight fast, gastrointestinal (GI) contrac-tions were recorded in freely moving conscious rats. Spontaneous phase Ⅲ-like contractions were observed at every 13-16 rain in rat GI tract. The fasted motor patterns were replaced by the fed motor pattern imme-diately after food intake. Two minutes after finishing the per min) significantly increased motility index of phase Ⅲ-like contractions at the antrum and jejunum in a dose dependent manner, compared to that of saline in-jection. Thus, it is likely that exogenously administered ghrelin causes phase Ⅲ-like contraction at the antrum, which migrates to the duodenum and jejunum. The possible role of 5-HT, in addition to ghrelin, in mediating intestinal migrating motor complex (MMC), is discussed.
其他文献
Background Failure of balloon catheter passing through the occluded segment accounts for 10%-15% of all procedures during percutaneous coronary intervention(PCI
结合北京地区的特点,分析了产生大气可吸入颗粒物的原因,通过季节变化和实时跟踪调查,分析出产生可吸入颗粒物最主要的持续性的来源.
有机磷农药具有高效、低毒等特点被广泛应用于农业生产,其残留对生物和人类的健康构成了潜在的威胁.由于有机磷农药主要通过影响胆碱能系统的活性发挥其神经毒性作用,因此本
Background Incomplete stent apposition (ISA) has been demonstrated to be more common after drug-eluting stent (DES)implantation than after bare metal stent(BMS)
The prevalence of diverticular diseases of the colon, including severe and persistent bleeding in Eastern countries, has increased in the last decades. The blee
Irritable bowel syndrome (IBS) is a highly prevalent gastrointestinal disorder characterized by abdominal pain and discomfort in association with altered bowel
The incidence of obesity is steadily rising,and it has been estimated that 40% of the US population will be obese by the year 2025 if the current trend continue
Background Current surgical practice for nephron sparing surgery allows at least 1 cm margin of normal tissue around the tumour.However,recent studies show that
Splenic tumors are rare. Differentiation of the tumors before operation is of great value regarding the outcome. A case of a 32-year-old man with a splenic infl
A primary aortoenteric fistula (PAEF), defined as a communication between the native aorta and the gastrointestinal tract, is a rare cause of gastrointes-tinal