operculum in a sentence

Examples

1. The spire is conic with operculum is nearly round with an excentric nucleus.
2. On the underside of the operculum the larva spins a mat of silk.
3. The operculum is unguiculate, with an apical nucleus.
4. The operculum is oval, light brown within, with a sublateral nucleus.
5. The operculum is oval, with a submarginal nucleus.
6. The operculum is flat inside, with five whorls and a subcentral nucleus.
7. The operculum is rounded oval, with four whorls and a subcentral nucleus.
8. The operculum is flat and brown inside with four whorls and subceutral nucleus.
9. The circular operculum is flat or slightly concave within.
10. The diameter of the operculum is about 13 mm.