ctenidium

[ ti-nid-ee-uhm ]

Phonetic (Standard)IPA

noun

, Zoology.

, plural cte·nid·i·a [ti-, nid, -ee-, uh].

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

ctenidium

/ tɪˈnɪdɪəm /

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

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

Ctenidium: a comb-like structure occurring on any part of an insect.

To the left of the ctenidium a pulmonary sac, separated from it by an incomplete septum, amphibious.

Mantle with two posterior appendages; ctenidium large and capable of protrusion from pallial cavity.

Cephalic shield continuous with dorsal integument; no shell; ctenidium projecting from mantle cavity.

Foot without parapodia; no pallial cavity, but always a single ctenidium situated on the right side between mantle and foot.

April 18, 2024petrichor

[pet-ri-kawr]

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