ctenidium

American

[ti-nid-ee-uhm] / tɪˈnɪd i əm /

noun

Zoology.

plural

ctenidia

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

ctenidial adjective

Etymology

Origin of ctenidium

From New Latin, dating back to 1880–85; 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.

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

From Project Gutenberg

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

From Project Gutenberg

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 Project Gutenberg

Spiral fibre: the spiral thickening or folding of the chitinous lining of a trachea, which gives to the latter its characteristic microscopic appearance as well as its support and elasticity:= ctenidium.

From Project Gutenberg

At the same time it possesses a totally distinct series of functional gills, which are not derived from the modification of the typical molluscan ctenidium.

From Project Gutenberg

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