Medicinal leeches: The most common use of medicinal leeches today are for ridding the body of excess blood that may pool post injury or post operatively in an area. For example, in outer ear surgery, the leeches would be placed on the outside of the ear to allow healing to take place after a surgical correction to the ear. The leeches simply fall off when they are engorged. No harm to the patient.
Answered 2/18/2015
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