- A disease of solipeds characterized by sudden paralysis of the hind quarters and the passage of blood-colored urine. Commonly called <internalXref urlencoded="paralysis">paralysis</internalXref>.
- the accumulation of an abnormally large amount of nitrogen-containing waste products, such as urea, in the blood; uremia.
- the <xref>accumulation</xref> in the <xref>blood</xref> of <xref>nitrogen</xref>-bearing waste products (such as <xref>urea</xref>) that are usually <xref>excreted</xref> in the <xref>urine</xref>
- accumulation in the blood of nitrogenous waste products (urea) that are usually excreted in the urine