Normally, trypsinogen isn't activated until it is cleaved by protease enteropeptidase which is found in the duodenum.

通常情况下，蛋白酶原在被指肠中肠肽酶切割之后才会被激活。

(1) The duodenmn, which is only a 25cm section, receives chyme from the stomach, helps regulate gastric emptying.

（1）只有25厘米指肠，从胃中接收食糜，并助调节胃排空。

The pancreas is along the lower curvature of the stomach, close to where it meets the first region of the small intestine, the duodenum.

5。在胃大弯附近，靠近胃与小肠始段（指肠）相接部位。

Some studies suggest that hookworms can treat allergies, which may be another reason allergies are more common in industrialized countries where hookworms are few and far between.

一些研究认为指肠虫能够治疗过敏，这也解释了为什么过敏在工业化国家更常见那儿指肠虫相对较少。

Next, the food travels down through the esophagus to the stomach, where mechanical and chemical digestion continues, the muscular walls of the stomach contract vigorously to mix food with gastric juice, producing a mixture called chyme.

液化食物逐渐进入小肠，在指肠（小肠第一部分）中，接受来自酶。