cavitated compound organ 空穴复合器官 kidney 肾 A paired organ of the urinary tract which has the production of urine as its primary function. AAO:0000250 BTO:0000671 CALOHA:TS-0510 EFO:0000929 EMAPA:17373 EV:0100096 FMA:7203 GAID:423 MA:0000368 MAT:0000119 MESH:D007668 MIAA:0000119 One of either of a pair of structures lying on either side of the dorsal aorta in which fluid balance is regulated and waste is excreted out in the form of urine.[AAO] OpenCyc:Mx4rvVjlYpwpEbGdrcN5Y29ycA UBERON:0002113 UMLS:C0022646 XAO:0003267 galen:Kidney renal reniculate kidney uberon 以尿液产生为主要功能的尿路成对器官。 位于背主动脉两侧的一对结构中的一个，其中流体平衡得到调节，废物以尿的形式排出。[AAO] 肾 肾脏 abdomen element 腹部元素 lateral structure 横向结构