The mentum refers to a projecting structure near the mouth of any of several animals:
- In insects, the mentum is the distal part of the labium. The mentum bears the palps, glossae, paraglossae, and/or ligula.
- On the human face, the mentum refers to the protruding part of chin.
- In certain mollusks, the mentum refers to a thin projection below the mouth, as in the family Pyramidellidae.
This animal anatomy-related article is a stub. You can help Wikipedia by expanding it.