pterygostomial region
Anteroventral region of carapace (anterior part of branchiostegite of Caridea) or ventral region of carapace (of Brachyura); bearing pterygostomial spine at anteroventral angle (in Caridea and Dendrobranchiata) [Poore, 2004].
(Order Decapoda):
See: carapace regions (k) [McLaughlin, 1980].
(Order Decapoda):
On ventral side of carapace, one of two anterolateral regions flanking buccal cavity [Stachowitsch, 1992].

Crustacea glossary. . 2011.

Look at other dictionaries:

  • pterygostomial region — (ARTHROPODA: Crustacea) In Decapoda, the anterolateral part on the ventral surface of the carapace, on opposite sides of the buccal cavity; jugal region; pterygostome …   Dictionary of invertebrate zoology

  • 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

  • subhepatic region — See: carapace region (l) [Martin, 2005]. Area below hepatic region and anterolateral border of carapace [Williams, 1984]. The region on the ventral surface of the carapace bounded by the antero lateral margin, outer margin of the pterygostomial… …   Crustacea glossary

  • jugal region — 1. (ARTHROPODA: Crustacea) In Decapoda, the anterolateral part on the ventral surface, located on opposite sides of the buccal cavity; pterygostomial region. 2. (ARTHROPODA: Insecta) The posterior basal lobe or area of a wing demarcated from the… …   Dictionary of invertebrate zoology

  • jugal region — See: carapace region i [Martin, 2005]. (Order Decapoda): See: carapace regions i [McLaughlin, 1980]. (Order Decapoda): Pterygostomial region [Stachowitsch, 1992] …   Crustacea glossary

  • branchial region — (ARTHROPODA: Crustacea) In Decapoda, the lateral part posterior to the pterygostomial region, overlying the branchiae …   Dictionary of invertebrate zoology

  • hepatic region — See: carapace region g [Martin, 2005]. Paired anterolateral areas of the carapace bounded anteriorly by the antennal region, posteriorly by the branchial region, and mesially by the gastric region [Perez Farfante and Kensley, 1997]. Paired… …   Crustacea glossary

  • antennal region — (ARTHROPODA: Crustacea) In Decapoda, the anterior marginal part bordering orbital region laterally, adjoining hepatic, pterygostomial, and occasionally also the frontal regions of the carapace …   Dictionary of invertebrate zoology

  • subhepatic region — (ARTHROPODA: Crustacea) In Decapoda, that part on the ventral surface of the carapace below the hepatic region, bounded by the pterygostomial and suborbital regions …   Dictionary of invertebrate zoology

  • antennal region — See: carapace region (a) [Martin, 2005]. See: carapace regions (a) [McLaughlin, 1980]. Area on lateral surface of the carapace posterior to and encompassing antennal spine [Butler, T.H.]. Area on the lateral face of the carapace posterior to and… …   Crustacea glossary

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