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 [Williams, 1984].
Hollow space on ventral side of body containing mouth parts, in Malacostraca bounded by epistome in front and free edges of carapace on sides [Moore and McCormick, 1969].
The area on the ventral surface of the carapace in which the mouth parts are situated. Bounded anteriorly by the epistome, laterally by the inner margin of the pterygostomial region and posteriorly by the anterior margin of the first thoracic sternite [Ingle, 1983].
(Class Malacostraca):
Area of cephalon containing mouthparts; bounded by epistome anteriorly and free margins of carapace laterally [McLaughlin, 1980].
(Order Decapoda):
On underside of head, cavity in which mouthparts (labrum, mandibles, maxillules, maxillae, maxillipeds, labium) are located [Stachowitsch, 1992].
(Subclass Branchiura):
In front of mouth, chamber formed by lip-like extensions of proboscis margins. Contains mandibles [Stachowitsch, 1992].
(Subclass Copepoda):
In parasitic copepod, term applied to space formed around mouth by prolonged upper lip (labrum) and lower lip (labium). (See also mouth cone) [Stachowitsch, 1992].

Crustacea glossary. . 2011.

Look at other dictionaries:

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  • buccal cavity — the mouth cavity …   Dictionary of ichthyology

  • buccal cavity — 1. The mouth or oral cavity. 2. (NEMATA) The stoma …   Dictionary of invertebrate zoology

  • buccal cavity — the cavity of the mouth, which contains the tongue and teeth and leads to the pharynx. Here food is tasted, chewed, and mixed with saliva, which begins the process of digestion …   The new mediacal dictionary

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  • cavity — 1. A hollow space; hole. See cave, c., cavitas, cavernous space. 2. Lay term for the loss of tooth structure due to dental caries. SYN: cavum [TA], cavitas. [L. cavus …   Medical dictionary

  • buccal — Pertaining to, adjacent to, or in the direction of the cheek. * * * buc·cal bək əl adj 1) of, relating to, near, involving, or supplying a cheek <the buccal surface of a tooth> <the buccal branch of the facial nerve> 2) of, relating… …   Medical dictionary

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