. "\"The process whose specific outcome is the progression of the kidney over time, from its formation to the mature structure. The kidney is an organ that filters the blood and/or excretes the end products of body metabolism in the form of urine.\" [GOC:dph, GOC:mtg_kidney_jan10, ISBN:0124020607, ISBN:0721662544]" . . "kidney development" . "Wikipedia:Kidney_development" . . "nephrogenesis" .