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.
Scientists define combustion (what we call burning) as a reaction between a fuel, such as natural gas, oil, or wood, with an oxidant compound, such as oxygen. Combustion creates both heat and light. We can easily feel the heat from combustion, and we can see the emitted light in the form of flames.