ctenidium

American  

[ti-nid-ee-uhm] / tɪˈnɪd i əm /

noun

Zoology.

ctenidia plural

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

---

ctenidium British  

/ tɪˈnɪdɪəm /

noun

1. one of the comblike respiratory gills of molluscs

---

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

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

Shell external, conical, much flattened; anterior tentacles very small, and situated with the mouth in a notch of the foot below the head; ctenidium very large.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" by Various

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

The position of the osphradium corresponds more or less closely with that of the vanished right ctenidium, with which it is normally associated.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" by Various

No ctenidium, pallial cavity transformed into a lung; aperture of shell circular; terrestrial.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" by Various