scaphognathite

scaphognathite
A lateral flap on the 2nd maxilla which, by beating within a narrow pump chamber, draws a respiratory stream of water through the branchial chamber (Figs. 3, 10) [Warner, 1977].
A thin lateral lobe on the outer maxilla that assists the pumping of water through the branchial chamber [Ingle, 1983].
Elongate exopods of the maxillae that vibrate to create ventilating currents through the branchial chambers [Brusca and Brusca, 2002].
Exopod comprising boat-shaped extension of maxilla opposite endopod [Moore and McCormick, 1969].
Exopod of maxilla, often used to produce respiratory current in gill chamber [McLaughlin, 1980].
(Order Decapoda):
Relatively large outer branch (exopod) of each maxilla. Typically consists of two branches or lobes with setose margins, one of which may extend under carapace to generate respiratory current. (Syn. gill bailer) [Stachowitsch, 1992].

Crustacea glossary. . 2011.

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  • Scaphognathite — Sca*phog na*thite, n. [Gr. ska fh boat + gna qos jaw.] (Zo[ o]l.) A thin leafike appendage (the exopodite) of the second maxilla of decapod crustaceans. It serves as a pumping organ to draw the water through the gill cavity. [1913 Webster] …   The Collaborative International Dictionary of English

  • scaphognathite — n. [Gr. skaphe, boat; ganthos, jaw] (ARTHROPODA: Crustacea) In Decapoda, the exopod of the maxilla, often used to produce the respiratory current in the gill chamber; bailer or gill bailer …   Dictionary of invertebrate zoology

  • scaphognathite — noun A thin appendage that draws water through the gills of decapods Syn: gill bailer …   Wiktionary

  • scaphognathite — sca·phog·na·thite …   English syllables

  • scaphognathite — …   Useful english dictionary

  • exhalant passage — Anterior to gill chamber leading to large anterior opening, with scaphognathite for driving water outward [McLaughlin, 1980]. Canal in front of gill chamber containing scaphognathite which functions for driving water outward, leads to large… …   Crustacea glossary

  • gill bailer — Leaf like flap in a channel at the anterior opening of each branchial chamber in decapod crustaceans; by its beating, drives water forward in and out of the branchial chamber. (Syn. scaphognathite) [Bliss, 1982]. See: scaphognathite [Brusca and… …   Crustacea glossary

  • CRUSTACÉS — Les Crustacés forment, avec les Myriapodes, les Arachnides et les Insectes, le plus important des embranchements zoologiques, celui des Arthropodes, qui rassemble les quatre cinquièmes des espèces animales actuelles connues. Ils jouent dans le… …   Encyclopédie Universelle

  • Brachyoures — Brachyura Pour les articles homonymes, voir Crabe (homonymie) …   Wikipédia en Français

  • Brachyura — Pour les articles homonymes, voir Crabe (homonymie). Brachyura …   Wikipédia en Français

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