O1P3E1R1C3U1L1E1S1
13 points
OPERCULES is validvalid
OPERCULE, an anatomical part that serves as a lid or cover [n]
OPERCULE, an anatomical part that serves as a lid or cover, also OPERCELE, OPERCULUM [n]
OPERCULE, an anatomical part that serves as a lid or cover [n]
OPERCULE, an anatomical part that serves as a lid or cover, also OPERCELE, OPERCULUM [n]