biramous appendage

biramous appendage
(ARTHROPODA: Crustacea)
An appendage with two rami; also antennule or antenna with two flagellar elements; not all appendages of a crustacean are biramous.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • biramous — /buy ray meuhs/, adj. Biol. consisting of or divided into two branches: a biramous appendage. Also, biramose /buy ray mohs, buy reuh mohs /. [1875 80; BI 1 + RAMOUS] * * * …   Universalium

  • biramous — bi•ra•mous [[t]baɪˈreɪ məs[/t]] also bi•ra•mose [[t] moʊs[/t]] adj. bio consisting of or divided into two branches: a biramous appendage[/ex] • Etymology: 1875–80 …   From formal English to slang

  • Appendage — In invertebrate biology, an appendage is an external body part, or natural prolongation, that protrudes from an organism s body (in verterbrate biology, an example would be a vertebrate s limbs). It is a general term that covers any of the… …   Wikipedia

  • biramous — Having two branches or rami (exopodite and endopodite) [Holdich and Jones, 1983]. Having two branches, a typical condition for most primitive crustacean appendages [Wilson, 1989]. Having two branches, as a pleopod [Butler, T.H.]. Having two… …   Crustacea glossary

  • trunk appendage — (Order Cladocera): One of four to six pairs of appendages of anterior region ( thorax ) of trunk. Basically biramous, consisting of indistinct proximal protopod (with endites and epipod) and more distal endopod and exopod. (flattened = foliaceous …   Crustacea glossary

  • endopod — ( ) [Holthuis, 1993]. Schematic drawing of a thoracic leg. [Holthuis, 1993] Inner branch of biramous appendage, especially one arising from protopodite of pleopod [Butler, T.H.]. Inner of two branches of biramous limb, comprising ischium through… …   Crustacea glossary

  • exopod — See: exopodite [Martin, 2005]. ( ) [Holthuis, 1993]. Schematic drawing of a thoracic leg. [Holthuis, 1993] Lateral of two rami arising from the protopod and constituting the biramous limb [Brusca and Brusca, 2002]. Lateral ramus of a biramus… …   Crustacea glossary

  • uropod — A paired biramous appendage attached to the sixth abdominal somite in all but the true crabs and usually combining with the telson to form a tail fan [Chace and Hobbs, 1969]. An appendage of the last (6th) abdominal segment [Warner, 1977].… …   Crustacea glossary

  • ramus — A branch of an appendage, e.g. the exopod or endopod. (Pl. rami) [Perez Farfante and Kensley, 1997]. A branch of an appendage. (Pl. rami) [Wilson, 1989]. Branch of appendage or other structure (e.g., flagellum) [McLaughlin, 1980]. Branch of limb… …   Crustacea glossary

  • protopod — Peduncle of an appendage; in unmodified form, consisting of one coxal and one basal article. (Syn. protopodite) [Williams, 1984]. Proximal portion of limb, consisting of precoxa, coxa, and basis, fused together in some forms; its distal edge… …   Crustacea glossary

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