It receives chyme and gastric juices from the stomach through the pyloric sphincter, but it also imports bile from the liver and gallbladder, enzymes from the pancreas, and creates its own homegrown mix of enzymes.
它通过门括约肌从胃中接收食糜和胃液,但它也从肝脏和胆囊进口胆汁,从胰腺进口酶,并创造自己的酶混物。