The AQP-3 locates in basolateral membrane of connecting tubule mainly, AQP& 3 not only can transport water but also can transport some small molecule material such as urea and glycerin., and the urea have important effect on the concentrated mechanism of kidney. AQP-3主要分布于集合管上皮细胞基侧质膜,除了对水有通透性外、还可转运尿素和甘油等小分子物质,而尿素在尿液浓缩机制中有着重要的作用。
The pancreas is long ribbon like, after connecting of bile duct and the pancreatic tubule, then entered to the duodenum, the most anterior section of the small intestine. 有胆囊;胰腺长带状,胰管与胆管汇合后与小肠最前部的十二指肠相连。