buccal cavity


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buccal cavity

[′bək·əl ¦kav·əd·ē]
(anatomy)
The space anterior to the teeth and gums in the mouths of all vertebrates having lips and cheeks. Also known as vestibule.
References in periodicals archive ?
Salivary glands cluster around oesophagus along region of valve of Leiblein and ventral ganglia of nerve ring, attached to lateral surface of anterior oesophagus just anterior to valve of Leiblein (Figs 29, 30: sg); their ducts very narrow, except for short proximal region that runs completely attached to anterior oesophagus wall and, more anteriorly, inside dorsal folds of buccal cavity (Fig.
The epithelium of buccal cavity consists of 3 cell types, the tall granulated columnar cells bearing microvilli; which appear as a "brush border" under the light microscope, the nongranulated cells, and the mucus cells having a "goblet" appearance; which are widely scattered in the epithelium (Fig.
Most patients with cicatricial pemphigoid manifest oral involvement (desquamative gingivitis), which can progress to the development of a residual scar in the buccal cavity (figure 1).
Specifically, the hypotheses are that a) vertebrate herbivores will express steroid hormone receptors in the buccal cavity and/or the vomeronasal organ; b) absolute sex steroid concentrations will be lower in carnivores than in herbivores; and e) herbivore steroid receptors should be more diverse in their binding affinities than carnivore lineages.
These larvae have a short buccal cavity, very different from the long buccal cavity of the rhabditiform larvae of the hookworm (see Figure 6).
In the larvae of Drosophila melanogaster, the foregut consists of the buccal cavity (atrium), pharynx, esophagus and proventriculus.
Reduction of mouth parts resulting in permanent closure of the buccal cavity and impaired feeding in vertebrates is termed oral atresia and ranges in severity from abnormally small mouth openings to complete absence of an opening (Menzel 1974).
They also found that meat packing plant workers were more likely to develop bone cancer, cancer of the buccal cavity and pharynx, and lung cancer than workers in other industries.