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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 ...
Hirudo medicinalis [1] Linnaeus, 1758. Hirudo is a genus of leeches of the family Hirudinidae. It was described by Carl Linnaeus in his landmark 1758 10th edition of ...
Hirudo verbana is a species of leech. [ 2 ] Hirudo verbana has long been used as a medicinal leech under the species H. medicinalis , but has recently been recognized as a separate species distinct from the traditional or European medicinal leech of that name.
In Hirudo medicinalis, these supplementary factors are produced by an obligatory mutualistic relationship with the bacterial species, Aeromonas veronii. Non-bloodsucking leeches, such as Erpobdella octoculata, are host to more bacterial symbionts. [40]
Hirudo medicinalis.Order Arhynchobdellida. Annelid taxonomy is currently under constant revisions due to the discovery that the class Polychaeta is paraphyletic. As such, a comprehensive list of orders is likely to change depending on what is accepted as valid.
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.
Hirudo medicinalis leech. Order Branchiobdellida; Subclass Hirudinea () Infraclass Acanthobdellidea; Infraclass Euhirudinea. Order Arhynchobdellida. Suborder Erpobdelliformes. Family Erpobdellidae Blanchard, 1894
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.