hirudinea

Thân thiện

A leech, a member of Hirudinea, attaches to a leaf in a freshwater pond.

Definition

Noun: 1. A class of annelid worms: Hirudinea is the taxonomic class comprising the leeches. These are segmented worms characterized by having a sucker at each end of their body, being typically hermaphroditic, and living in aquatic, terrestrial, or parasitic habitats.

Usage

• The class Hirudinea includes both blood-feeding parasitic species and predatory species.
• Scientists study the anticoagulants produced by members of the Hirudinea for medical applications.
• Not all annelids are leeches; the Hirudinea is a distinct class separate from earthworms (Oligochaeta).

Advanced Usage

• In taxonomic context: The term is used formally in biological classification. For example: "The phylum Annelida is divided into several classes, including Polychaeta, Oligochaeta, and Hirudinea."

Variants and Related Words

• Hirudinean (noun/adjective): A member of the Hirudinea class; relating to leeches.
  • The hirudinean specimen was collected from the freshwater pond.
• Leech (noun): The common name for an organism belonging to the class Hirudinea.

Synonyms

• Leeches (This is the common name for the group, not a scientific synonym).

Different Meanings

The word "Hirudinea" has a single, specific meaning in biological taxonomy and does not have other common definitions.

Học thuật

Noun

1. hermaphroditic aquatic or terrestrial or parasitic annelids

Từ đồng nghĩa

• Hirudinea
• class Hirudinea