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ctenidium

American

[ti-nid-ee-uhm] / tɪˈnɪd i əm /

noun

Zoology.

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

ctenidium British

/ tɪˈnɪdɪəm /

noun

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

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

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

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

B, Surface view of a rudimentary ctenidium of Patella excised and viewed as a transparent object.

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

Shell absent in the adult; no ctenidium or osphradium.

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023