- Operculum by Webster's
... . of Gastropoda.(n.) Any lidlike or operculiform process or part; as, the opercula of a dental follicle.(n.) Any lid-shaped structure closing the aperture of a tube or shell.(n.) The principal opercular bone in the upper and posterior part of the gill cover.(n.) The fold of integument, usually supported by bony plates, which protects the gills of most fishes ...
- epiglottis by Jazmin Schneider
The lidlike cartilaginous structure guarding the entrance to the larynx.The muscular action of swallowing closes the opening to the trachea by placing the larynx against the epiglottis. This prevents food and drink from entering the ...
- operculum by Courtney Reid
... ləm] (anatomy) The soft tissue partially covering the crown of an erupting tooth. That part of the cerebrum which borders the lateral fissure.(biology) A lid, flap, or valve. A lidlike body process.
- Epiglottis by Webster's
... n.) A cartilaginous lidlike appendage which closes the glottis while food or drink is passing while food or drink is passing through the pharynx.
- Larynx by Webster's
... , when they are stretched and a current of air passes between them. The larynx is connected with the pharynx by an opening, the glottis, which, in mammals, is protected by a lidlike epiglottis.