Pertaining to a papilla; having the characteristics of a papilla.
p. duct — urine passes from the collecting tubules into the papillary ducts as the last section of the renal tubular system.
p. necrosis — necrosis of the renal papilla. See also infectious pancreatic necrosis of fish.
p. squirting — a feature of seborrheic dermatitis, zinc-responsive dermatoses; the superficial papillae are edematous and contain dilated vessels, the overlying epidermis is edematous and parakeratototic.
p. sulcus — gustatory glands open into a sulcus in the mouth.