—Performed through the skin, as injection of radiopaque material in radiological examination or the removal of tissue for biopsy accomplished by a needle
through the unbroken skin; refers to medications applied directly to the skin (creams or ointments) or in time-release forms (skin patches); "transdermal estrogen"; "percutaneous absorption"
balloon angioplasty, opening of a blocked or narrowed blood vessel by inserting a balloon-tipped catheter into the vessel and inflating it to compress the fatty buildup inside (Medicine)