What's the difference between epizoan and epizoon?

Epizoan

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Definition:

Example Sentences:

Epizoon

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Definition:

• (n.) One of the artificial group of invertebrates of various kinds, which live parasitically upon the exterior of other animals; an ectozoon. Among them are the lice, ticks, many acari, the lerneans, or fish lice, and other crustaceans.

Example Sentences:

• (1) Based on epidemiological and epizoonic evidences, as well as human and experimental pathology, the relevant importance of particular group of compounds is evaluated.
• (2) A direct connection between the annual and, to some extent, seasonal dynamics of the abundance of parasites and that of their hosts is most distinct in L. pavlovskyi, an epizoon parasite of the large Japanese field mouse.