operculum 1
rzeczownikdomena: zwierzę
Princeton WordNet [ver.3.1]
Definicja
a hard flap serving as a cover for (a) the gill slits in fishes or (b) the opening of the shell in certain gastropods when the body is retracted
a hard flap serving as a cover for (a) the gill slits in fishes or (b) the opening of the shell in certain gastropods when the body is retracted
Projekt współfinansowany ze środków europejskich
