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papillary necrosisPapillary necrosis of renal papillae Nephrology A complication of acute pyelonephritis, consisting of uni- or bilateral lesions of one or more pyramids, with a white-gray discoloration of the pyramid tips, in a background of renal failure Clinical Renal colic, pyuria Etiology DM, sickle cell anemia, analgesics–aspirin, phenacetin, cyclophosphamide, ischemia, post-obstruction pyelonephritis
pertaining to a papilla; having the characteristics of a papilla.
urine passes from the collecting tubules into the papillary ducts as the last section of the renal tubular system.
necrosis of the renal papilla. See also infectious pancreatic necrosis of fish.
a feature of seborrheic dermatitis, zinc-responsive dermatoses; the superficial papillae are edematous and contain dilated vessels, the overlying epidermis is edematous and parakeratototic.
gustatory glands open into a sulcus in the mouth.