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Leeches are segmented parasitic or predatory worms that comprise the subclass Hirudinea within the phylum Annelida. ... bleeding from the wound may continue for some ...
Bleedings continued over the next several days. By 29 July, the wound had become inflamed. The physician applied 32 leeches to the most sensitive part of the wound. Over the next three days, there were more bleedings and a total of 40 more leeches. The sergeant recovered and was discharged on 3 October.
During a blood meal, a leech rhythmically contracts its muscles to draw blood from a host animal into the crop for storage. It can consume over five times its own weight in blood in one feeding. Once satiated, a leech detaches from its host. Hirudo verbana uses anticoagulants when it feeds, so its bite wounds continue bleeding for some time ...
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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 .
There are obvious negative effects of being repeatedly bitten by leeches, most commonly the significant and dangerous levels of blood loss. The leeches would suck on the legs of the collector for 20 minutes or more, and even when they had finished the resultant wound continued to bleed for up to ten hours. [2] Leech collectors were not well paid.
The leeches help localize the wound and help produce blood flow. This is helpful in operations where blood clots occur and they help dilate the blood vessels. Baron Dominique Jean Larrey , surgeon-in-chief of Napoleon 's Grande Armée pioneered the use of maggots to prevent infection in wounds. [ 28 ]
Wheaton says the leeches were created two different ways: For long shots, they used skateboard grip tape, and for the closeups used a combination of latex, blood makeup and rubber cement.
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