Mentum


 * 1) The mentum is the distal part of the labium in insects. The mentum bears the labial palps and the ligula. Some dragonfly nymphs have menta that bear toothed palps.
 * 2) The mentum also refers to the protruding part of the human chin.
 * 3) The mentum can also refer to a thin projection below the mouth of certain mollusks, as in the family Pyramidellidae.