platyhelminth

Thân thiện

A student observes a platyhelminth under a microscope in biology class.

Definition

Noun A platyhelminth is a type of invertebrate animal characterized by having a soft, flattened body. This group includes both parasitic worms (like tapeworms and flukes) and free-living worms (like planarians). They are also commonly known as flatworms.

Usage

The word "platyhelminth" is a scientific term used primarily in biology and zoology. It refers to the entire taxonomic class of these organisms. * The study focused on the nervous system of a free-living platyhelminth. * Tapeworms are a well-known example of a parasitic platyhelminth.

Advanced Usage

• As a taxonomic category: The term is used to discuss evolutionary relationships, anatomy, and physiology within the animal kingdom.
  • The phylum Platyhelminthes comprises all platyhelminth species.

Variants and Related Words

• Flatworm (n): The common name for a platyhelminth.
• Platyhelminthes (n): The scientific phylum name to which all platyhelminths belong.
• Trematode (n): A type of parasitic platyhelminth (fluke).
• Cestode (n): A type of parasitic platyhelminth (tapeworm).
• Turbellarian (n): A type of free-living platyhelminth (e.g., planarian).

Synonyms

• Flatworm

Antonyms

• There is no direct antonym, as it is a specific biological classification. Contrasting terms could include nematode (roundworm, which has a cylindrical body) or annelid (segmented worm).

Học thuật

Noun

1. parasitic or free-living worms having a flattened body

Từ đồng nghĩa

• flatworm