transmucosal
adjective
trans·mu·co·sal
| \ ˌtran(t)s-myü-ˈkō-zᵊl, ˌtranz-
\
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Medical Definition of transmucosal
: relating to, being, or supplying a medication that enters through or across a mucous membrane (as of the mouth)
transmucosal fentanyl Noven Pharmaceuticals develops transdermal and transmucosal drug delivery systems and technologies. — The Miami Herald, 13 Oct. 2000