abdominal ctenidium腹栉
ctenidium m栉鳃
axillary ctenidium腋栉
Ctenidium molluscus梳藓
axillary ctenidium detail腋栉
Ctenidium serratifolium Broth锯形梳叶藓
N（名词） one of the comblike respiratory gills of molluscs 栉鳃