Definition of ctenidium in English:

ctenidium

Line breaks: cten|idium
Pronunciation: /tɪˈnɪdɪəm
 
/

noun (plural ctenidia /-dɪə/)

Zoology
A comb-like structure, especially a respiratory organ or gill in a mollusc, consisting of an axis with a row of projecting filaments.
More example sentences
  • Meanwhile, Pelseneer had come up with a classification of bivalves based on the structure of the ctenidia.
  • Chaetoderms lack pedal grooves, have ctenidia paired in a small posterior mantle cavity, have a cuticular shield around the mouth and the stomach and digestive glands are separate.
  • Polyplacophorans have six to 88 pairs of bipectinate ctenidia, the number of which is typically not species specific, increasing as the individual grows.

Origin

late 19th century; modern Latin, from Greek ktenidion, diminutive of kteis, kten- 'comb'.

Definition of ctenidium in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day anomalous
Pronunciation: əˈnɒm(ə)ləs
adjective
deviating from what is standard, normal, or expected