Myxomycetes

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Definition

Noun 1. A taxonomic class of organisms: "Myxomycetes" refers to a class within the kingdom Protista, commonly known as the true slime molds or acellular slime molds. These are fungus-like organisms that live as a plasmodium—a single, multinucleate mass of protoplasm without cell walls—during their feeding stage.

Examples of Usage
  • The myxomycetes are fascinating to biologists because of their unique life cycle.
  • Under the microscope, the plasmodium of the myxomycetes exhibits streaming cytoplasmic movement.
  • This forest floor is an ideal habitat for many species of myxomycetes.
Advanced Usage
  • In scientific classification: The term is used precisely in taxonomy and mycology. While historically grouped with fungi, modern classification often places them in Protista.
    • The phylogenetic position of the Myxomycetes continues to be a subject of research.
Variants and Related Words
  • Myxomycete (singular noun): An individual organism belonging to the class Myxomycetes.
    • We found a fascinating myxomycete on the decaying log.
  • Myxomycota (noun): A division or phylum name that is essentially equivalent to the class Myxomycetes.
  • Plasmodial slime molds: A common descriptive name for this group.
  • Acellular slime molds: Another common name, distinguishing them from cellular slime molds (Dictyosteliida).
Synonyms
  • True slime molds
  • Plasmodial slime molds
  • Acellular slime molds
Related Terms and Phrases
  • Plasmodium: The vegetative, feeding stage of the myxomycetes.
  • Spore: The reproductive unit; myxomycetes produce spores within often intricate fruiting bodies.
  • Fruiting body: The spore-producing structure formed by the plasmodium.
Noun
  1. the class of true slime molds; essentially equivalent to the division Myxomycota

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