Acanthocephala
Học thuậtThân thiện
Definition
Noun: - A phylum or class of elongated, wormlike parasitic animals that inhabit the intestines of vertebrates. They are characterized by a retractable proboscis armed with rows of spines, which gives them the common name "spiny-headed worms."
Usage
The term is used in zoological and parasitological contexts to classify and describe this specific group of endoparasites. - The study focused on the life cycle of the Acanthocephala. - Acanthocephala are distinguished from other parasitic worms by their spiny proboscis.
Advanced Usage
- Taxonomic Rank: While traditionally considered a phylum, some modern classifications treat Acanthocephala as a class within a larger group. The term is used in scientific literature to discuss their evolution, morphology, and host relationships.
- Recent phylogenetic analysis has prompted a reevaluation of the status of the Acanthocephala.
Variants and Related Words
- Acanthocephalans (n): The common name for organisms belonging to the Acanthocephala.
- The acanthocephalans found in the fish were identified to species level.
- Acanthocephalan (adj): Pertaining to the Acanthocephala.
- The acanthocephalan infection was confirmed by microscopy.
Synonyms
- Spiny-headed worms: The common descriptive name.
- Thorny-headed worms: An alternative common name.
Notes on Meaning
This term refers exclusively to a taxonomic group in biology. It does not have general, figurative, or idiomatic meanings outside of scientific discourse.
Noun
- phylum or class of elongated wormlike parasites that live in the intestines of vertebrates: spiny-headed worms