metagastric lobe or area

metagastric lobe or area
(ARTHROPODA: Crustacea)
In Decapoda, the posterior division of the gastric region of the carapace; sometimes ill-defined.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • urogastric lobe — A very short transverse area bordering the posterior margin of the metagastric region on the carapace of crabs [Chace and Hobbs, 1969]. Posterior division of gastric region of decapod (brachyuran) carapace; sometimes called genital region [Moore… …   Crustacea glossary

  • gastric region — See: carapace region f [Martin, 2005]. Large median area, in crab carapace, bounded behind by cervical suture, laterally by hepatic regions, and anteriorly by frontoorbital regions. Divisible into following subregions or lobes: epigastric,… …   Crustacea glossary

  • carapace region — Differentiated portion of decapod carapace surface distinguished in descriptions and used in classification named types: (a) antennal. Anterior marginal part of carapace bordering orbital region laterally and also touching hepatic, pterygostomial …   Crustacea glossary

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