ctenidium

American  

[ti-nid-ee-uhm] / tɪˈnɪd i əm /

noun

Zoology.

ctenidia plural

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

Derived Forms

• ctenidial
  adjective

Inflected Forms

noun

• ctenidia
  plural

Etymology

Origin of ctenidium

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

Example Sentences

Foot without parapodia; no pallial cavity, but always a single ctenidium situated on the right side between mantle and foot.

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

The whole surface of the body becomes greatly modified in those Nudibranchiate forms which have lost, not only the shell, but also the ctenidium.

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

The gill-plume, which in Aplysia is the typical Molluscan ctenidium, is seen in fig.

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

Shell with very low spire, without umbilicus, internal partitions frequently absorbed; a single ctenidium; a cephalic penis present.

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