Nephritis n. : An inflammation of the kidneys.

Example:
What are the long term prognoses for Nephritis in conjunction with tonsillitis?

Taxonomy
Nephritis, inflammation, kidney, free encyclopedia, glomerular, Any/all, interstitial nephritis, Lupus nephritis, tubulo-interstitial nephritis, disease, search, external resources, Greek, nephro, itis, infections, toxins, Subtypes.

Defination from the web:
... Lupus nephritis is an inflammation of the kidney caused by systemic lupus erythematosus (SLE), a disease of the immune system. ...