paired appendage

paired appendage
paired fin

Dictionary of ichthyology. 2009.

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  • Paired fins — Fin Fin, n.[OE. finne, fin, AS. finn; akin to D. vin, G. & Dan. finne, Sw. fena, L. pinna, penna, a wing, feather. Cf. {pen} a feather.] 1. (Zo[ o]l.) An organ of a fish, consisting of a membrane supported by rays, or little bony or cartilaginous …   The Collaborative International Dictionary of English

  • appendage — any substantial projection form the body. The pectoral and pelvic fins are paired appendages …   Dictionary of ichthyology

  • appendage — ( ) [Holthuis, 1993]. Schematic drawing of a thoracic leg. [Holthuis, 1993] (Order Isopoda): An articulated structure used for feeding, locomotion, sensory reception, e.g., mouthparts, antennae, pereopods, pleopods, uropods [Kensley and Schotte,… …   Crustacea glossary

  • fleshy appendage — axillary process (a small triangular appendage or a modified scale at the upper or anterior base of a paired fin. Also called accessory scale, inguinal process or fleshy appendage. Functions apparently to streamline the fin when held against the… …   Dictionary of ichthyology

  • caudal appendage — In cirripeds, one of terminal, multiarticulate or uniarticulate, uniramous paired appendages, homologous with caudal furca of other crustaceans [Moore and McCormick, 1969]. (Subclass Cirripedia): One of terminal, multiarticulate or simple,… …   Crustacea glossary

  • serrated appendage — Wilder s organ (paired serrated appendages in the gill chamber attached to the isthmus by connective tissue and some sternohyoideus muscle fibres in Amia (Amiidae). It is supported by bone and equipped with tooth like structures. Function… …   Dictionary of ichthyology

  • caudal appendage — 1. (ARTHROPODA: Crustacea) One of the terminal, multiarticulate or simple, uniramous paired appendages of barnacles, homologous with caudal furca of other crustaceans. 2. (NEMATA) The terminal portion of the tail used for food storage in certain… …   Dictionary of invertebrate zoology

  • frontal appendage — One pair of filaments arising in many Anostraca from bases of antennae but independent of them; may be ramified [Moore and McCormick, 1969]. (Order Diplostraca): Frontal organ [Stachowitsch, 1992]. (Order Anostraca): Paired filaments arising from …   Crustacea glossary

  • maxilla — Appendage next behind maxillule serving functions in feeding and respiration. (Syn. second maxilla) [Moore and McCormick, 1969]. One of a pair of two sets gnathal appendages situated immediately posteroventral to mandibles [Hobbs and Jass, 1988] …   Crustacea glossary

  • mandible — Most anterodorsally situated of gnathal appendages; one, of a pair, of heavily calcified jaws; the teeth. [Hobbs and Jass, 1988]. On of the heavily calcified jaws lying anterior to (beneath, in ventral view) the other mouth parts but visible in… …   Crustacea glossary

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