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

Shell external and conical; anterior tentacles form a frontal veil; ctenidium extending only over right side; a distinct osphradium.

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

Branchiae.—The single pair of branchiae are placed symmetrically right and left of the anus, and each has the structure of a ctenidium bearing a row of lamellae on each side as in the Polyplacophora.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2 "Chicago, University of" to "Chiton" by Various

The freely projecting ctenidium of typical form not having its axis fused to the roof of the branchial chamber is the notable character of this genus.

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

Shell external, conical, much flattened; anterior tentacles very small, and situated with the mouth in a notch of the foot below the head; ctenidium very large.

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

Mantle with two posterior appendages; ctenidium large and capable of protrusion from pallial cavity.

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