Mentum
Anatomical structure near the mouth
The mentum is an anatomical structure, a projecting feature that is near the mouth of a variety 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 the chin.
- In certain sea snails, marine gastropod mollusks, the mentum is a thin projection of the soft parts of the animal, below the mouth. It is found in the family Pyramidellidae.
References
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Gastropod anatomy
- Aperture
- Apex
- Body whorl
- Callus
- Columella
- Lip
- Lira
- Nacre
- Periostracum
- Peristome
- Planispiral
- Plait
- Protoconch
- Sculpture
- Selenizone
- Siphonal canal
- Siphonal notch
- Spire
- Stromboid notch
- Suture
- Umbilicus
- Valve
- Varix
- Whorl
- Clausilium
- Love dart
- Operculum
- Pearl
- Radula
- Caryophyllidia
- Caudal mucous pit
- Cerata
- Cnidosac
- Mantle
- Mentum
- Notum
- Parapodium
- Pneumostome
- Rhinophore
- Semper's organ
- Siphon
- Suprapedal gland
- Circulatory system of gastropods
- Crop
- Ctenidium
- Digestive system of gastropods
- Diverticula
- Excretory system of gastropods
- Gastric shield
- Hancock's organ
- Hepatopancreas
- Hypobranchial gland
- Nephridium
- Nervous system of gastropods
- Nidamental gland
- Odontophore
- Oesophageal pouch
- Osphradium
- Reproductive system of gastropods
- Respiratory system of gastropods
- Sensory organs of gastropods
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