ctenidium

As nouns the difference between terms and ctenidium

is that terms is while ctenidium is (zoology) a respiratory system, in the form of a comb, in some molluscs.

As nouns the difference between insect and ctenidium

is that insect is an arthropod in the class insecta, characterized by six legs, up to four wings, and a chitinous exoskeleton while ctenidium is (zoology) a respiratory system, in the form of a comb, in some molluscs.

As nouns the difference between spine and ctenidium

is that spine is proprietress (of a shop, café, or brothel) while ctenidium is (zoology) a respiratory system, in the form of a comb, in some molluscs.

As nouns the difference between mollusc and ctenidium

is that mollusc is a soft-bodied invertebrate of the phylum Mollusca, typically with a hard shell of one or more pieces while ctenidium is a respiratory system, in the form of a comb, in some molluscs.

As nouns the difference between comb and ctenidium

is that comb is a toothed implement for grooming the hair or (formerly) for keeping it in place or comb can be (abbreviation) combination while ctenidium is (zoology) a respiratory system, in the form of a comb, in some molluscs.

As a verb comb

is (especially of hair or fur) to groom with a toothed implement; chiefly with a.

As an adjective respiratory

is relating to respiration; breathing.

As a noun ctenidium is

(zoology) a respiratory system, in the form of a comb, in some molluscs.