ctenidium

[ti-nid-ee-uhm]

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

/ tɪˈnɪdɪəm /

noun

1. one of the comblike respiratory gills of molluscs

Other Word Forms

• ctenidial adjective

Word History and Origins

Origin of ctenidium¹

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

Word History and Origins

Origin of ctenidium¹

C19: New Latin, from Greek ktenidion, diminutive of kteis comb

Example Sentences

No ctenidium, but a pulmonary cavity; operculum with an apophysis.

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

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

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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.

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

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