ctenidium

[ ti-nid-ee-uh m ]

/ tɪˈnɪd i əm /

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

Origin of ctenidium

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

cte·nid·i·al, adjective

ct scanner, ct., cta, ctc, cte, ctenidium, ctenizid, cteno-, ctenocephalides, ctenoid, ctenophora

Probably a straining of water from solid particles is effected by the lattice-work of the ctenidia or gill-plates.

Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 1 |Various
No ctenidia but pallial branchiae in a circle between mantle and foot.

Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 |Various
Ctenidia, plural of Ctenidium: Gills, or breathing-organs, adapted to water-respiration.

The Sea-beach at Ebb-tide |Augusta Foote Arnold
Two pairs of ctenidia, and two pairs of renal tubes without reno-pericardial apertures.

Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 |Various

A single pair of ctenidia (gill-plumes) is present instead of the two pairs in Nautilus.

Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 |Various

ctenidium

/ (tɪˈnɪdɪəm) /

one of the comblike respiratory gills of molluscs

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