Buccal-cavity sentence example
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.Advertisement
Within the buccal cavity are the two jaws.
They enclose the jaws (j), mouth (M), and opening of the salivary glands (o.·), and so give rise to the buccal cavity.
The buccal cavity can be isolated by the short soft palate which produces an extremely tight occlusion across the nasal pharynx.
This differentiation is not, however, peculiar to the Polychaetes; for in several Oligochaetes the anterior nephridia are of large size, and opening as they do into the buccal cavity clearly play a different function to those which follow.