| Description: | Extremely common in older cats, CRF is a serious condition evidenced by gradual, irreversible deterioration of kidney function over a period of months or years. The kidney consists of tiny funnel-shaped tubes called nephrons, which filter and reabsorb the fluids that balance the body. When an individual nephron is damaged by any cause, (aging, poison, infection, etc.) it stops functioning.Fortunately the kidney can still function with as few as twenty-five percent of its original nephrons, as other nephrons can grow larger to "fill in the blanks." |
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