protozoan medical definition
or pro·to·zo·on
noun pl. pro·to·zo·a or
pro·to·zo·ans or
pro·to·zo·ons Any of a group of single-celled, usually microscopic, eukaryotic organisms, such as amoebas, ciliates, flagellates, and sporozoans.
Related Forms:
- protozoan, proˌto·zoˈal , proˌto·zoˈic adjective
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