buccal cavity

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.

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1. that portion of the oral cavity bounded on one side by the teeth and gingivae (or the residual alveolar ridges), and on the other by the cheeks. 2. a carious lesion beginning on the buccal surface of a posterior tooth. 3. cavitas oris. 4. a preoral chamber seen in higher ciliate protozoa, manifested as an indentation or pouch, containing compound ciliary organelles and leading to the cytostomal-cytopharyngeal complex. Called also peristome.

Medical dictionary. 2011.

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  • 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 cavity — noun the cavity between the jaws and the cheeks • Hypernyms: ↑cavity, ↑bodily cavity, ↑cavum • Part Holonyms: ↑mouth, ↑oral cavity, ↑oral fissure, ↑rima oris …   Useful english dictionary

  • buccal cavity — noun a) The oral cavity, bound by the cheeks of the face, the palate, and the flesh of the mandible, opening onto the mouth and the fauces, and containing the teeth, tongue, gums, and other structures …   Wiktionary

  • 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

  • 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

  • cavity — cavitied, adj. /kav i tee/, n., pl. cavities. 1. any hollow place; hollow. 2. Anat. a hollow space within the body, an organ, a bone, etc. 3. a hollow space or a pit in a tooth, most commonly produced by caries. A cavity may be artificially made… …   Universalium

  • buccal — adjective Etymology: Latin bucca cheek Date: 1720 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 to, involving, or lying in the mouth < the… …   New Collegiate Dictionary

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