👉 The term "operculum" is a medical term referring to a specific part of the mouth that is involved in the function of the tongue and the salivary glands. Specifically, it refers to the part of the tongue that connects the lips and the teeth by the soft tissue called the operculum. The operculum plays an important role in the function of the salivary glands, which produce saliva, a liquid substance containing enzymes and other substances that help to break down food and