Hirudo


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Hirudo

(hi-rū'dō),
A genus of leeches (class Hirudinea, family Gnathobdellidae). Species previously used in medicine are: Hirudo australis, Australian leech; Hirudo decora, American leech; Hirudo interrupta or Hirudo troctina, a North African leech; Hirudo medicinalis, speckled, Swedish, or German leech, the species previously in most general use; Hirudo m. officinalis, a variety of the preceding; Hirudo provincialis, the green or Hungarian leech; Hirudo quinquestriata, five-striped leech.
[L. leech]

Hirudo

/Hi·ru·do/ (hĭ-roo´do) [L.] a genus of leeches, including H. medicina´lis, which have been used extensively for drawing blood.

Hi·ru·do

(hi-rū'dō)
A genus of leeches; used in traditional medicine for blood letting or as an antithrombin.
[L. leech]

Hirudo

a genus of leeches in the class Hirudinea.

Hirudo medicinalis
up to 5 inches long and 1 inch diameter, this greenish leech may attach to animals. Used medicinally.
References in periodicals archive ?
The medicinal leech, Hirudo medicinalis, is an ideal model for studying the basic processes behind neural regeneration, she notes.
sinensis radix (dang gui), Chuanxiong rhizoma (chuan xiong), Changii radix (ming clang shen), Adenophorae radix (nan sha shen), and Alismatis Rhizome (ze xie); (2) TCMs from the organs of animals that contain certain amount of proteins, fat, and amino acid, such as the Hippocampus (hai ma), Syngnathus (hal long), Eupolyphaga steleophaga (tu bie chong), and Hirudo (shui zhi); and (3) medicines with appearance, color, and odor that can be easily altered by the surroundings, such as L.
The saliva of Hirudo medicinalis, the medicinal leech, contains anticoagulant and analgesic substances thought to be responsible for the clinical effects.
Researchers are now studying a genetically engineered version of hirudin, a powerful blood thinner found in the saliva of the European leech Hirudo medicinalis.
German researchers have found that treatment with the medicinal leech Hirudo medicinalis can provide rapid and extended relief of osteoarthritis pain.
Whereas the human nervous system is woven from billions of cells, the nervous system of the leech species Hirudo medicinalis has about 13,000 cells, all of which scientists suspect are hard-wired to the point where any neuron can be labeled and identified from leech to leech.
Russian researchers performed hirudotherapy (leeches therapy using Hirudo medicinalis) on 105 patients with rheumatoid arthritis or osteoarthritis.