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FOOD GROOVE [1 record]

Record 1 2015-04-13

English

Subject field(s)
  • Mollusks, Echinoderms and Prochordates
  • Paleontology
DEF

Broad, open depression on underside [of asteroid], leading from mouth to tip of each arm.

DEF

One of the five grooves arranged as a star, found in starfish, echinoids, crinoids, and related animals, and which leads to the mouth, serving as a passage way down for food.

CONT

Beating cilia [of Crinoids] convey the food down the ambulacral grooves on the arms. The ambulacral (food) grooves continue on to the calyx and finally converge on the mouth where the food enters the digestive tract.

French

Domaine(s)
  • Mollusques, échinodermes et procordés
  • Paléontologie
DEF

[...] un «V» [...] formé par les plaques ambulacraires [...] qui s'effondrent [...], sur une coupe transversale d'un bras [d'Astéride].

CONT

On retrouve sur la face orale [...] : la bouche centrale et les cinq sillons ambulacraires localisés au centre de chaque bras et s'étendant de l'extrémité de chaque bras vers la bouche. Chaque sillon ambulacraire contient 4 rangées de pieds ambulacraires (ou podions) [...]

Spanish

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