noun, plural ec·to·zo·a [ek-tuh-zoh-uh] /ˌɛk təˈzoʊ ə/. Biology.
Examples from the Web for ectozoa
In reference to the ectozoa of rodents it may be said that they are very numerous.
The ectozoa of the dog, though not numerous as species, are of importance in relation to mange.
In like manner a great deal has been written respecting the ectozoa of fishes.
The ectozoa of ruminants have received much attention, but I can merely indicate the known forms.
It conveniently stands thus, moreover, in direct contradiction to the term Ectozoa.