(of an insect) The first part of the stomodaeum, lying just within the mouth; its dilator muscles arising on the clypeus, and inserted before the frontal ganglion and its connectives.
noun
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Other Word Forms
Noun
Singular:
buccal-cavity
Plural:
buccal-cavities
Origin of buccal-cavity
buccal (“of or pertaining to the cheek or mouth”) + cavity (“hollow area”)
From
Wiktionary
Buccal-cavity Sentence Examples
You will actually see the fry eyes through the buccal cavity.
A gizzard is present in a few forms. The buccal cavity is sometimes armed with jaws.
The paired ctenidia are very greatly developed right and left of the elongated body, and form the most prominent organ of the group. Their function is chiefly not respiratory but nutritive, since it is by the currents produced by their ciliated surface that food-particles are brought to the feebly-developed mouth and buccal cavity.
The cavity within the head leads into a true buccal cavity situated within the body at the base of the foot.
The buccal cavity contains a sense-organ on the ventral side called the sub-radular organ.