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| 英语讲座 第四讲 | |
| 作者姓名： | 费敏 杨林芬 |
| 作者单位： | 河南医学院外文教研室，河南医学院外文教研室 |
| 摘 要： | THE BOWELSIntestines,the portions of the diges-tive system from the stomach to theanus,①are divided into two mainparts,②the small intestine and the largeintestine.The small intestine begins atthe pyloric sphincter and lies in the ab-domen in coiled loops;it is 20 to 22 feetlong.Thus,the small intestine occupiesthe greater portion of the abdominal ca-vity.It gradually diminishes in size asit extends downward,③having④a din- |
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