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Related to protozoal myeloencephalitis: equine protozoal myeloencephalitis (EPM)


 (prō′tə-zō′ən) also pro·to·zo·on (-ŏn′)
n. pl. pro·to·zo·ans or pro·to·zo·a (-zō′ə) also pro·to·zo·ons
Any of numerous chiefly single-celled eukaryotic organisms, most of which move about freely and ingest food, including the amoebas, ciliates, flagellates, and apicomplexans. Protozoans along with certain algae, oomycetes, and some other groups make up the protists.

[From New Latin Prōtozōa, former subkingdom name : proto- + -zōa, pl. of -zōon, -zoon.]

pro′to·zo′an, pro′to·zo′al, pro′to·zo′ic adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Biology) relating to protozoans
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.protozoal - of or relating to the Protozoa
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References in periodicals archive ?
The equine protozoal myeloencephalitis (EPM) test was used for the analysis of learning and memory.
The clinical manifestations of EHV infection are similar to the infection of equine influenza, equine arteritis virus (EAV), equine adenovirus, equine protozoal myeloencephalitis, eastern equine encephalitis (EEE) and West Nile virus encephalitis (Powell, 1991).
In addition, other neurological condition should be listed, such as intervertebral disc protrusion with spinal cord compression (FOSS et al., 1983), discospondylitis, abscesses (ADAMS et al., 1985), rabies, neurological infection by herpesvirus, equine protozoal myeloencephalitis, wobbler syndrome due to cervical vertebral malformation (ZACHARY, 2013; CANTILE & YOUSSEF, 2016) and post-anesthetic myelomalacia (JOUBERT et al., 2005).