Origin: Latin suffix -ous
Transcutaneous has 2 different meanings across 1 category:
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"
Penetrating, entering, or passing through the intact skin; in contrast to percutaneous meaning through a disruption in the skin.