siphonal tube

siphonal tube
(MOLLUSCA: Bivalvia)
A tube composed of agglutinized particles derived from boring and fused to the siphonoplax; see chimney.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • Siphonal canal — In some sea snails, (marine gastropod molluscs in the infraorder Neogastropoda), the animal has an anterior extension of the mantle called a siphon, through which water is drawn into the mantle and over the gill. This siphon is a soft fleshy tube …   Wikipedia

  • siphonal — adj. pertaining to a siphon; resembling a siphon (tube used to transfer liquids between two containers) …   English contemporary dictionary

  • chimney — n. [Gr. kaminos, fireplace] (MOLLUSCA: Bivalvia) A tube formed of agglutinized particles derived from boring, extending over the posterior end of the shell and sometimes extends anteriorly nearly to the mesoplax; see siphonal tube …   Dictionary of invertebrate zoology

  • siphon — siphonal, siphonic /suy fon ik/, adj. siphonless, adj. siphonlike, adj. /suy feuhn/, n. 1. a tube or conduit bent into legs of unequal length, for use in drawing a liquid from one container into another on a lower level by placing the shorter leg …   Universalium

  • siphon — [ sifɔ̃ ] n. m. • 1639; « tuyau pour tirer du vin » 1546; sifon « trombe » v. 1320; lat. sipho, gr. siphôn 1 ♦ Tube courbé utilisé pour transférer un liquide d un niveau donné à un niveau inférieur, en passant par un niveau supérieur aux deux… …   Encyclopédie Universelle

  • BIVALVES — Les Bivalves (au sens large) sont des Mollusques au corps comprimé latéralement et enveloppé dans un repli tégumentaire, le manteau, doublé extérieurement d’une coquille comportant deux valves, l’une droite, l’autre gauche, dont la présence… …   Encyclopédie Universelle

  • siphon — /ˈsaɪfən / (say suyfuhn) noun 1. an enclosed tube or conduit through which a liquid is conveyed from a reservoir at one elevation to a lower elevation, the liquid being initially forced into the tube by suction or immersion and then, once the… …  

  • Neogastropoda — Temporal range: Early Cretaceous–Recent …   Wikipedia

  • siphon — [sī′fən] n. [Fr < L sipho (gen. siphonis) < Gr siphōn, tube, siphon] 1. a bent tube used for carrying liquid from a reservoir over the top edge of its container to a point below the surface of the reservoir: the tube must be filled, as by… …   English World dictionary

  • siphon — n. & v. (also syphon) n. 1 a pipe or tube shaped like an inverted V or U with unequal legs to convey a liquid from a container to a lower level by atmospheric pressure. 2 (in full siphon bottle) an aerated water bottle from which liquid is forced …   Useful english dictionary

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