S1U1B3M3U1C3O1S1A1L1
16 points
SUBMUCOSAL is validvalid
relating to the submucosa, the connective tissue underlying a mucous membrane
relating to the submucosa, the connective tissue underlying a mucous membrane
relating to the submucosa, the connective tissue underlying a mucous membrane
relating to the submucosa, the connective tissue underlying a mucous membrane