Operculum
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 | The present page holds the title of a primary topic, and an article needs to be written about it. It is believed to qualify as a broad-concept article. It may be written directly at this page or drafted elsewhere and then moved to this title. Related titles should be described in Operculum, while unrelated titles should be moved to Operculum (disambiguation). |  |
Operculum may refer to:
Human biology
- Operculum (brain), the part of the brain covering the insula
- Operculum (dentistry), a small flap of tissue which may cover an erupting or partially erupted molar
- Cervical mucus plug, the cervical mucus plug that blocks the cervix of the uterus after conception
Animal biology
- Operculum (animal), a structure resembling a lid or a small door that opens and closes
- Operculum (bird), a structure which covers the nares of some birds
- Operculum (bryozoa), a lid on the orifice of some bryozoans
- Operculum (fish), a flap covering the gills of bony fish
- Operculum (gastropod), a sort of trapdoor used to close the aperture of some snails
- Operculum papillare, the iris found in the eyes of elasmobranchs (skates, sharks, and rays)
- The anterior end of the puparium in some insects, through which the adult emerges; for example the wasp Stenogastrinae
Botany
- Operculum (botany), various lids and flaps pertaining to plants, algae, and fungi
See also
- Dehiscence (botany), the opening of a plant structure, such as a fruit, anther, or sporangium, to release its contents
This disambiguation page lists articles associated with the title Operculum.
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