观察所见，5周胚肾已有肾小体发生，肾内的间充质首先分化成造血干细胞，在造血干细胞的诱导下形成毛细血管及肾小囊。
The result showed that the renal corpuscle had generated at the age of 5th week. First mesenchymal proper order the capillary of the glomerulus and the renal capsule were induced by the stem cells.
囊性肾细胞癌的癌细胞内为透明的胞浆，细胞核小而深染。
The tumor cells lining the septa hae clear cytoplasm and small hyperchromatic nuclei.
囊性肾细胞癌的癌细胞内为透明的胞浆，细胞核小而深染。
The tumor cells lining the septa hae clear cytoplasm and small hyperchromatic nuclei.
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