Mentum
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(′men·təm)
(anatomy) The chin.
(botany) A projection formed by union of the sepals at the base of the column in some orchids.
(invertebrate zoology) A projection between the mouth and foot in certain gastropods. The median or basal portion of the labium in insects.
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mentum
IN BRIEF: n. - A projection below the mouth of certain mollusks that resembles a chin; The protruding part of the lower jaw; A projection like a chin formed by the sepals and base of the column in some orchids.
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Mentum
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The mentum is an anatomical structure, a projecting feature that is near the mouth of any of a variety of different kinds of 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 of the soft parts of the animal, below the mouth, as is found in the family Pyramidellidae.
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