Ctenidium

Series of stout, peg-like spines on the head (genal ctenidium) and first thoracic tergite (pronotal ctenidium) of many fleas.

ctenidium

noun comb-like respiratory structure serving as the gill of certain mollusks
Found on https://www.encyclo.co.uk/local/20974

Ctenidium

[mollusc] A ctenidium is a respiratory organ or gill which is found in many mollusks. This structure exists in bivalves, cephalopods, and in many aquatic gastropods, i.e. in some freshwater snails and sea snails and also in some sea slugs. Some aquatic gastropods possess one ctenidium, others have a pair of ctenidia (the plural form of the ...
Found on http://en.wikipedia.org/wiki/Ctenidium_(mollusc)

ctenidium

[3 related articles]
Found on http://www.britannica.com/eb/a-z/c/165

ctenidium

[n] - comb-like respiratory structure serving as the gill of certain mollusks
Found on http://www.webdictionary.co.uk/definition.php?query=ctenidium
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