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Hirudo medicinalis, or the European medicinal leech, is one of several species of leeches used as medicinal leeches. Other species of Hirudo sometimes also used as medicinal leeches include H. orientalis, H. troctina, and H. verbana. The Asian medicinal leech includes Hirudinaria manillensis, and the North American medicinal leech is ...
While H. medicinalis has long been used in hirudotherapy, and is approved by the US FDA as a prescription medical device, a 2007 study employing genetic analysis found that the species being marketed as H. medicinalis, possibly for decades, was the recently distinguished H. verbana.
The name for the subclass, Hirudinea, comes from the Latin hirudo (genitive hirudinis), a leech; the element -bdella found in many leech group names is from the Greek βδέλλα bdella, also meaning leech. [12] The name Les hirudinées was given by Jean-Baptiste Lamarck in 1818. [13]
European medicinal leech (Hirudo medicinalis) [68] [69] 800 BCE Europe, Asia: bloodletting, surgery, therapy, research, saliva, pets Captive-bred 7b Annelida: Cochineal (Dactylopius coccus) 700–500 BCE [44] Chile, Peru, Mexico: dye Very common in the wild 6b Other insects: Indian (Pavo cristatus) and green peafowl (P. muticus) 500 BCE ...
Hirudin is a naturally occurring peptide in the salivary glands of blood-sucking leeches (such as Hirudo medicinalis) that has a blood anticoagulant property. [2] This is essential for the leeches' habit of feeding on blood, since it keeps a host's blood flowing after the worm's initial puncture of the skin.
The Hirudiniformes are one of the currently-accepted suborders of the proboscisless leeches (Arhynchobdellida).Their best-known member is the European medical leech, Hirudo medicinalis, and indeed most of the blood-sucking "worms" as which leeches are generally perceived belong to this group.
List of annelid families describes the taxa relationships in the phylum Annelida, which contains more than 17,000 extant species including ragworms, earthworms, and leeches. [ 1 ] Class Polychaeta
Homeopathic name Substance Common name Aconite [1] Aconitum napellus: Monkshood, monk's blood, fuzi, wolf's bane Aesculus hippocastanum [1] Aesculus hippocastanum: Horse-chestnut Allium cepa [1] Onion: Aloeaceae [2] Aloe succotrina: Aloe: Arnica [3] Arnica montana: Leopard's bane Baptisia [1] Baptisia tinctoria: Wild indigo, horseflyweed ...