part of nephron epithelium development kidney epithelium development renal vesicle development biological_process 2010-02-08T01:18:31Z The process whose specific outcome is the progression of the renal vesicle over time, from its formation to the mature structure. An epithelium is a tissue that covers the internal or external surfaces of an anatomical structure. The renal vesicle is the primordial structure of the nephron epithelium, and is formed by the condensation of mesenchymal cells. GO:0072087 mah