Sentence Examples with the word Osphradia

United with these ganglia on the outer sides are the osphradial ganglia, above which the epithelium is modified to form a pair of sense-organs, corresponding to the osphradia of other Molluscs.

A pair of pedal otocysts, and a pair of osphradia at the base of the gills, appear to be always present.

The special sense-organs are a pair of eyes on the head, a pair of otocysts or statocysts, and a pair of osphradia which have already been mentioned.

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The sense-organs of Anodonta other than the osphradia consist of a pair of otocysts attached to the pedal ganglia (fig.

O, o, Right and left olfactory, The cerebro-pleural conganglia and osphradia re nective.

RHIPIDOGL0ssA.-Aspidobranchia with a palliovisceral anastomosis (dialyneurous); eye-vesicle closed, with crystalline lens; ctenidia, osphradia and hypobranchial glands paired or single.

Two osphradia present but no hypobranchial glands nor operculum.