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):
In crab-like (brachyuran) decapod, well-defined, frame-like depression on underside of head; contains mouthparts (labrum, mandibles, maxillules, maxillae, maxillipeds, labium) and may be covered by expanded (operculiform) maxillipeds. (quadrate, triangular). See: endostome [Stachowitsch, 1992].
(Infraorder Brachyura):
Structural region of cephalon enclosing mouthparts [McLaughlin, 1980].

Crustacea glossary. . 2011.

Look at other dictionaries:

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

  • 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 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

  • endostome — Palate like part of buccal frame in some brachyuran decapods. (Syn. palate) [Moore and McCormick, 1969]. Part of epistome forming palate in brachyurans and usually separated from epistome proper by transverse ridge [Williams, 1984]. Plate inside… …   Crustacea glossary

  • epistome — A broad strongly calcified plate in front of, and above, the mouth. It represents the fused sternites of the third and fourth segments [Warner, 1977]. A transverse plate situated anterior to the mouth [Hobbs, Hobbs, and Daniel 1977]. Antennal… …   Crustacea glossary

  • endostome — n. [Gr. endon, within; stoma, mouth] (ARTHROPODA: Crustacea) In some brachyuran Decapoda, a platelike part of the buccal frame; a palate …   Dictionary of invertebrate zoology

  • mouthparts — A collective term for the appendages around the mouth which are concerned with feeding: mandibles, maxillae and maxillipeds [Warner, 1977]. All cephalothoracic limbs involved with feeding: mandibles through to third maxillipeds [Poore, 2004].… …   Crustacea glossary

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