It is a form of tailored covering that is used to protect a delicate bodily component.
An operculum in humans can refer to a mucus plug in the cervix that prevents the uterus' contents from leaking out after conception, a component of the brain, or a flap of tissue in mouth.
An operculum is a rigid flap that protects a section of the animal in mammals.
The operculum is a sort of flap seen on algae, fungus, and vascular plants in plants.
Benefits:
The operculum shields the gills of bony fish.
It is also responsible for face support, as well as breathing and feeding.