proboscis -- Elongated organ, usually associated with the mouth. The proboscis is an important feeding appendage in echiurans.
proboscis A snout or trunk. Also, tubular sucking or feeding organ with the mouth at the end as in planarians, leeches, and insects. Also, the sensory and defensive organ at the anterior end of certain invertebrates.
the proboscis with which the bee feeds on liquid food, either the nectar of flowers or the honey stored within the hive.
Proboscis (← links)
Dares (← links)
Limax (← links)
Skin pore (← links)
Nemertina (← links)
Porus sudoriferus (← links)
Dare (← links)
Stoma (← links)
Reflection coefficient (← links)
Electrophoresis (← links) ...
Ribbon worms have a distinctive eversible proboscis stored in a rhynchocoel. When the walls of the rhynchocoel contract, the proboscis extends out of the body.
Some acorn worms living on tidal mud flats have a proboscis, a collar, and a trunk. The dorsal nerve cord in the collar and trunk resembles the nerve cord of chordates. The pharynx below the collar has gill slits.
Beak: Colloquial expression for the protruding mouthpart structures of a sucking insect (= proboscis).
References anatomy ( in animal (biology): Acoelomates ) Flatworms (phyla Platyhelminthes, Nemertea, and Mesozoa) lack a coelom, although nemerteans have a fluid-filled cavity at their anterior, or head, end, which is used to eject the proboscis ...
 See also: Animal, Organ, Animals, Human, Plant
  
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