Leeches are segmented parasitic or predatory worms that comprise the subclass Hirudinea within the phylum Annelida. They are closely related to the oligochaetes, which include the …

The meaning of LEECH is any of numerous carnivorous or bloodsucking usually freshwater annelid worms (class Hirudinea) that have typically a flattened lanceolate segmented body …

Nov 14, 2025 · Leech, (subclass Hirudinea), any of about 650 species of segmented worms (phylum Annelida) characterized by a small sucker, which contains the mouth, at the anterior …

Aug 20, 2021 · Learn how to safely and quickly remove a leech, as well as how to recognize a leech and when to seek immediate medical treatment.

There are more than 700 described species of leech, and they can be found almost everywhere. They also come in all colours and sizes, but one thing that really stands out about this group of …

Leech definition: any bloodsucking or carnivorous aquatic or terrestrial worm of the class Hirudinea, certain freshwater species of which were formerly much used in medicine for …

May 27, 2024 · The leech (Hirudinea) is a predator and blood-sucking parasite that is native to almost every continent. This aquatic worm is a member of the Annelida phylum, which means …

Leech is the common name for any of the annelids (segmented worms) comprising the subclass (or class) Hirudinea. They typically are characterized by a small sucker on the anterior (mouth) …

4 days ago · The Leech Craze: The Medical Fad That Nearly Eradicated A Species Sometimes, it truly sucks to be a leech.

Nov 7, 2025 · Leeches are a group of typically parasitic annelids that constitute the subclass Hirudinea. Found in freshwater, marine, and terrestrial environments, leeches generally feed …