摘要
INTRODUCTIONMotility is a general term that embraces allmovements of the gastrointestinal tract,such as con-tractions of smooth muscle,the intralumunal pres-sures,and the transit of chyme throughout thebowel.These movements are modified by the actionsof specialized segments of the intestine and thesphincters,and the whole is integrated by neural andhumoral levels of control.Motility is best understoodteleologically,i.e.as a process that facilitates theother,more fundamental functions of the gut.Thestomach has three major functions:
关键词
红霉素
胃排空
Erythromycin
Gastric emptying
