The leech appears in the biblical Book of Proverbs as an archetype of insatiable greed. [1] The term "leech" is used to characterise a person who takes without giving, living at the expense of …

Dec 26, 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 …

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 …

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 …

Nov 7, 2025 · What are leech. Are they dangerous. Where & how long do they live. What do they eat. How do they reproduce. Learn their size, predators, & life cycle with pictures.

The head of a leech holds the mouth sucker, which is usually at the more tapered (narrower) end. About a quarter of the way down from the head is the clitellum, which becomes more …

The medicinal leech, Hirudo medicinalis, which is native to Europe, and its congeners have been used for clinical bloodletting for thousands of years. Some species of leech will nurture their …

Sep 12, 2025 · Leech therapy has been investigated for its analgesic and wound healing effects, and for stimulating blood flow at postsurgical sites. Use in osteoarthritis has also been …

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 …

Leech classification is arranged so that families and genera tend to include members with similar ecological and physiological tolerances. Based on the sister group, Branchiobdellida or …