leech: References & Edit History

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  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

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Article History

Type Description Contributor Date
Modified link of Web site: National Center for Biotechnology Information - PubMed Central - Leeches in the extreme: Morphological, physiological, and behavioral adaptations to inhospitable habitats. Oct 15, 2026
Add new Web site: PNAS - Leeches as further potential vectors for rickettsial infections. Feb 06, 2026
Add new Web site: National Center for Biotechnology Information - PubMed Central - Leeches in the extreme: Morphological, physiological, and behavioral adaptations to inhospitable habitats. Dec 26, 2025
Add new Web site: Cell Press - Current Biology - Leeches. Sep 10, 2025
Add new Web site: Frontiers - Frontiers in Physiology - The Dynamics of Group Formation Among Leeches. Jul 18, 2025
Add new Web site: DigitalCommons at University of Nebraska - Lincoln - Hirudinia (Class): Parasitic Leeches (PDF). Feb 01, 2025
Add new Web site: Academia - An overview of leech and its therapeutic applications (PDF). Dec 21, 2024
Add new Web site: Frontiers - Frontiers in Medicine - Applications of leech therapy in medicine: a systematic review. Sep 28, 2024
Add new Web site: National Center for Biotechnology Information - PubMed Central - Leeches in the extreme: Morphological, physiological, and behavioral adaptations to inhospitable habitats. Jul 15, 2024
Add new Web site: ANU Research School of Biology - Leeches in modern medicine. Apr 11, 2024
Add new Web site: Missouri Department of Conservation - Leech. Nov 10, 2023
Add new Web site: Maine Department of Environmental Protection - Leeches (Bloodsuckers) - Some Control Methods. Sep 15, 2023
Add new Web site: Drugs.com - Leeches. May 24, 2023
Add new Web site: A-Z Animals - Leech. Mar 03, 2023
Add new Web site: National Center for Biotechnology Information - PubMed Central - Leeches in the extreme: Morphological, physiological, and behavioral adaptations to inhospitable habitats. Jan 20, 2023
Add new Web site: Australian Museum - Leeches. Nov 22, 2022
Add new Web site: CALS Encyclopedia of Arkansas - Leech. Sep 15, 2022
Add new Web site: Public Broadcasting Service - Leeches. Jul 04, 2011
Add new Web site: ThinkQuest - Leeches. Jul 04, 2011
Add new Web site: Fact Monster - Science - leech. Jul 01, 2011
Add new Web site: Buzzle.com - Leech. Aug 19, 2010
Text describing the habitat and feeding habits of Tyrannobdella rex, a praobdellid from Peru, added. Apr 16, 2010
Added new Web site: The Australian Museum Online - Leeches. May 15, 2009
Article revised and updated. Nov 13, 2008
Added new Web site: Environmental Education For Kids - Leech. Jun 18, 2008
Added new Web site: How Stuff Works - Animals - Leech. May 29, 2008
Article revised. Jan 12, 2000
Article added to new online database. Jul 20, 1998
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