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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.


ctenidium British  
/ tɪˈnɪdɪəm /

noun

  1. one of the comblike respiratory gills of molluscs

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of ctenidium

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

No ctenidium, but a pulmonary cavity; heart with a single auricle, not traversed by the rectum.

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

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

Each gill has the structure of a typical molluscan ctenidium, consisting of an axis bearing an anterior and posterior row of filaments or lamellae.

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

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