| Word | Definitions | Synonyms |
|---|---|---|
| myxomycete | (noun) a slime mold of the class Myxomycetes | Synonyms: acellular slime mold, plasmodial slime mold, true slime mold |
| myxosporidian | (noun) mostly parasitic in fishes and including various serious pathogens | - |
| myxovirus | (noun) any of a group of RNA viruses including those that cause influenza and mumps | - |