leech

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leech

 [lēch]
any of the annelids of the class Hirudinea, especially Hirudo medicinalis; some species are bloodsuckers. Leeches were used extensively to treat various disorders and are still used occasionally to reduce postsurgical venous congestion, as in tissue flaps, grafts, or transplants.

leech

(lēch),
1. A bloodsucking aquatic annelid worm (genus Hirudo, class Hirudinea) sometimes used in medicine for local withdrawal of blood.
2. To treat medically by applying leeches.
[A.S. laece, a physician; a leech, because of its therapeutic use]

leech

(lēch) any of the annelids of the class Hirudinea, especially Hirudo medicinalis; some species are bloodsuckers. Leeches have been used for drawing blood.

leech

(lēch)
n.
1. Any of various chiefly aquatic carnivorous or bloodsucking annelid worms of the class (or subclass) Hirudinea, of which one species (Hirudo medicinalis) was formerly widely used by physicians for therapeutic bloodletting.
2. Archaic A physician.
v. leeched, leeching, leeches
v.tr.
To bleed with leeches.

leech

noun A segmented annelid of fresh water or soil in the tropics and subtropics; classic medicinal leech is Hirudo medicinalis, others include Poecilobdella, Dinobdella, Limnatis, Haemadipsa, Macrobdella Medical uses Remove excess blood from operative field; stimulate capillary ingrowth in reimplanted, traumatically amputated extremities and in plastic surgery; extract hirudin, a potent anticoagulant, and undelineated substances in leech saliva that inhibit tumor spread. See Hirudin, Limnatis nilotica verbTo treat with a leech, to let blood.

leech

(lēch)
1. Any bloodsucking aquatic annelid worm, including those of the class Hirudinea, sometimes used in medicine and plastic surgery for local withdrawal of blood.
2. To treat medically by applying leeches.

leech

1. An annelid worm of the class Hirudinea, some of which are blood-suckers. Leeches were formerly much used to withdraw blood, to reduce HAEMATOMAS and to attempt to treat varicose veins.
2. A facetious term for a medical practitioner.

leech

an aquatic annelid of the order Hirudinea.

leech

(lēch)
A bloodsucking aquatic annelid worm sometimes used in medicine for local withdrawal of blood.

leech

1. any of the annelids of the class Hirudinea, especially Hirudo medicinalis; some species are bloodsuckers, and used for drawing blood.
2. one of the granular bodies in swamp cancer. Called also grains.

equine leech
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