ctenidium

American  

[ti-nid-ee-uhm] / tɪˈnɪd i əm /

noun

Zoology.

plural

ctenidia

1. any of various comblike or featherlike structures, as the row of stiff bristles on the legs of a psocid.

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ctenidium British  

/ tɪˈnɪdɪəm /

noun

1. one of the comblike respiratory gills of molluscs

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Other Word Forms

• ctenidial adjective

Etymology

Origin of ctenidium

From New Latin, dating back to 1880–85; see origin at cteno-, -idium

Example Sentences

The pallial cavity is always well developed, and contains the ctenidium, at least in part; ctenidium, except in Lophocercidae, of folded type.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" by Various

There is a ctenidium, except in some Thecosomata and Gymnosomata, and an osphradium.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" by Various

The left ctenidium or gill-plume. vent, Ventricle of the heart. a.b.v,

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 "Celtes, Konrad" to "Ceramics" by Various

Spire of shell much reduced; a single ctenidium.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" by Various

Without shell and operculum, but with pallial cavity and ctenidium.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" by Various