Also, these dead clumped up cells in the tubule form a brown granular cast which will eventually get excreted in the urine.
此外,这些死亡的细胞聚集在肾小管,形成了棕色颗粒管型,最终将在尿中排出。
英语百科
Urinary cast
Urinary casts are cylindrical structures produced by the kidney and present in the urine in certain disease states. They form in the distal convoluted tubule and collecting ducts of nephrons, then dislodge and pass into the urine, where they can be detected by microscopy.