On occasion, renal biopsy is necessary to establish the diagnosis, determine the prognosis or guide therapy. Only a small subset of patients have indications for biopsy.6 Most often, biopsy is performed when a patient has intrinsic acute renal failure that is not acute tubular necrosis.
Fiery is a huge, sturdy, stocky, sleek, burly, brown and black male with long ears, glossy, shaggy fur, rippling muscles, massive paws, a blunt, dark face and eyes. Fiery is originally described as black in A Hidden Enemy. This, however, was changed to his current description.
Fire is a conversion of chemical energy into thermal and electromagnetic energy via a chemical reaction that combines the molecules in fuel (wood, say) with oxygen from the air to create water and carbon dioxide. It releases energy in the form of heat and light.