ectozoon
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ectozoon
(ˌɛktəʊˈzəʊɒn)n, pl -zoa (-ˈzəʊə)
a parasitic organism that lives on the outside of its host
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| Noun | 1. | ectozoon - any external parasitic organism (as fleas) parasite - an animal or plant that lives in or on a host (another animal or plant); it obtains nourishment from the host without benefiting or killing the host flea - any wingless bloodsucking parasitic insect noted for ability to leap |
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