IPA: /mjuˈkoʊsəl/
KK: /mjuˈkoʊsəl/
Relating to the thin layer of tissue that lines various cavities in the body and covers the surface of internal organs.
The doctor explained that the medication works by targeting the mucosal layer of the intestines.
Mucosal → It is formed from "mucosa" (from Latin *mucosa*, meaning mucus or mucous membrane) and the suffix "-al" (meaning pertaining to). The word "mucosal" refers to something that pertains to or is related to the mucous membranes.
Think of 'mucosa' which relates to mucus, and remember that 'mucosal' means pertaining to the mucous membranes.