cuti-, cut-, cutan-, -cutis- +

(Latin: skin)

transcutaneous
Entering through the skin, as in the administration of a drug applied to the skin in ointment or patch form.

Cross references directly, or indirectly, involving the "skin": callus-; chorio-; cicatri- (scar); cori-; hymen-; lepido- (scab, scale); papulo- (pimple); psoro- (itch, mange); pustu- (blister, pimple); rhytid- (wrinkle); scabio- (mange, itchy); sebo- (grease, oil).