buccal region

buccal region
regio buccalis.

Medical dictionary. 2011.

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  • region — 1. An often arbitrarily limited portion of the surface of the body. SEE ALSO: space, zone. 2. A portion of the body having a special nervous or vascular supply, or a part of an organ having a special …   Medical dictionary

  • buccal cavern — Space, especially in crabs, enclosing the mouthparts and more or less covered by third maxillipeds, defined anteriorly by epistome and laterally by pterygostomial region, sometimes by ridges. (Syn. buccal frame) [Poore, 2004] …   Crustacea glossary

  • buccal shelf — the surface of the mandible from the residual alveolar ridge or the alveolar ridge to the external oblique line in the region of the lower buccal vestibule; it is covered with cortical bone …   Medical dictionary

  • buccal frame — (ARTHROPODA: Crustacea) In Brachyura, the structural region of the cephalon that encloses the mouthparts …   Dictionary of invertebrate zoology

  • buccal cavity — Cavity on ventral surface of body in which mouth parts are situated; bounded anteriorly by epistome, laterally by free edges of carapace. Within this frame lie the mouth parts, which in most Brachyura are covered by operculiform third maxillipeds …   Crustacea glossary

  • buccal frame — structure of brachyuran decapods enclosing mouth parts, its sides formed by free anterolateral edges of carapace, its front delimited by epistome, and commonly closed by operculiform third maxillipeds [Moore and McCormick, 1969]. (Order Decapoda) …   Crustacea glossary

  • pterygostomian region — See: carapace region (k) [Martin, 2005]. Anteroventral area of the carapace [Perez Farfante and Kensley, 1997]. Paired anteroventral are of carapace ventral to antennal region [Hobbs and Jass, 1988]. The paired anterolateral area on the… …   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

  • 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

  • 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):… …   Crustacea glossary

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