Prab: CSV import

2025-02-20T01:43:11Z

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			File:Sucking leech.jpg\|Sucking leech
			File:Europäischer-Platt-Egel cropped.jpg\|Europäischer Platt Egel
			File:Haemadipsa zeylanica japonica.jpg\|Haemadipsa zeylanica japonica
			File:Parasite180056-fig1 Placobdelloides siamensis (Glossiphoniidae).png\|Placobdelloides siamensis
			File:Acanthobdella 001 (detail).png\|Acanthobdella
			File:ErpobdellaOctoculata wwalas 01.JPG\|Erpobdella octoculata
			File:Svømmende blodigle.JPG\|Svømmende blodigle
			File:Parasite180056-fig5A Placobdelloides siamensis (Glossiphoniidae).png\|Placobdelloides siamensis
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Prab at 19:01, 10 May 2023

2023-05-10T19:01:31Z

New page

[[File:Sucking leech.jpg|Sucking leech|thumb]]
'''Leeches''' are segmented worms that belong to the class Hirudinea in the phylum Annelida. They thrive in various environments, but most are associated with freshwater habitats. While they have a reputation for being bloodsuckers, not all leeches feed on the [[blood]] of other animals. Some are carnivorous, ingesting other invertebrates.

== Anatomy and Physiology ==
Leeches are soft-bodied, segmented worms. They possess a sucker at both the anterior (front) and posterior (back) ends. The mouth is located in the anterior sucker. Most blood-feeding leeches secrete an anticoagulant, hirudin, which prevents the blood from clotting while the leech feeds.

== Role in Medicine ==
The medicinal use of leeches, also known as hirudotherapy, dates back to ancient times and was prevalent until the 19th century. They were employed to remove [[blood]] from a patient as part of a procedure known as bloodletting, believed to balance the body's "humors."

In modern medicine, leeches have seen a resurgence in microsurgery and reconstructive surgery. Leeches help reduce blood coagulation and venous congestion by creating a continuous flow of blood from the wound area. They also release anti-coagulative and blood flow-enhancing substances into the wound.

== Risks and Precautions ==
While leech therapy can be beneficial, it is not without risks. These include allergic reactions, infection from bacteria living in the leech's gut, and excessive bleeding. It is crucial that leech therapy is administered under the supervision of a trained medical professional.

== Historical Use ==
The use of leeches in medicine has a long history, with depictions of leech use found in ancient Egyptian tombs and texts from ancient Greece. During the 19th century, leech use was so widespread that the European medicinal leech became endangered.

== See also ==
* [[Hirudotherapy]]
* [[Phlebotomy]]
* [[Bloodletting]]
{{stub}}
[[Category:Annelids]]
[[Category:Medical treatments]]
[[Category:History of medicine]]

Leech - Revision history

Prab: CSV import

Prab at 19:01, 10 May 2023