叶间动脉 入球微动脉 肾小球 Interlobular artery Afferent arteriole Glomerulus 肾小囊Bowman's capsule 近曲小管 Proximal convoluted tubule 出球 微动脉 Efferent 毒 Peritubular capillary 远曲小管 Distal 叶间静脉 convoluted Interlobular vein tubule- 弓形动脉 Arcuate artery 泌尿集合管 Urine-collecting 弓状静脉Arcuate vein tubule 适襻升支Ascending limb 髓襻降支Descending limb 髓襻Loop of Henle