preischium
Segment of endopod between protopod and ischium, rarely present [McLaughlin, 1980].
(Order Mysida):
In inner branch (endopod) of thoracopod, segment between basis and ischium [Stachowitsch, 1992].
(Superorder Syncarida):
First of basically six segments (preischium, ischium, merus, carpus, propodus, dactylus) of inner branch (endopod) of thoracopod. Located between basis and ischium and may be variously fused with basis [Stachowitsch, 1992].

Crustacea glossary. . 2011.

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  • preischium — n. [L. prae, before; Gr. ischion, hip] (ARTHROPODA: Crustacea) When present, the segment of the endopod between the protopod and the ischium …   Dictionary of invertebrate zoology

  • carpus — ( ) [Holthuis, 1993]. Schematic drawing of a thoracic leg. [Holthuis, 1993] ( ) [Baba, 2005]. Entire animal, right appendages omitted, dorsal view, based on Munida. [Baba, 2005] ( ) [Baba, 2005]. Endopod of Mxp 3, lateral; and endopod of Mxp 3,… …   Crustacea glossary

  • dactylus — ( ) [Holthuis, 1993]. Schematic drawing of a thoracic leg. [Holthuis, 1993] ( ) [Baba, 2005]. Entire animal, right appendages omitted, dorsal view, based on Munida. [Baba, 2005] ( ) [Baba, 2005]. Endopod of Mxp 3, lateral; and endopod of Mxp 3,… …   Crustacea glossary

  • ischium — ( ) [Holthuis, 1993]. Schematic drawing of a thoracic leg. [Holthuis, 1993] ( ) [Baba, 2005]. Endopod of Mxp 3, lateral; and endopod of Mxp 3, including basal 2 articles, distal articles omitted, central. Based on Munidopsis. [Baba, 2005] Article …   Crustacea glossary

  • merus — ( ) [Holthuis, 1993]. Schematic drawing of a thoracic leg. [Holthuis, 1993] ( ) [Baba, 2005]. Entire animal, right appendages omitted, dorsal view, based on Munida. [Baba, 2005] ( ) [Baba, 2005]. Endopod of Mxp 3, lateral; and endopod of Mxp 3,… …   Crustacea glossary

  • propodus — ( ) [Holthuis, 1993]. Schematic drawing of a thoracic leg. [Holthuis, 1993] ( ) [Baba, 2005]. Entire animal, right appendages omitted, dorsal view, based on Munida. [Baba, 2005] ( ) [Baba, 2005]. Endopod of Mxp 3, lateral; and endopod of Mxp 3,… …   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

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