Ключевые слова: alternative, animal, biology, bite, bleeding, blood, bloodsucker, bloodsucking, body, bruising, care, collagenase, cure, dangerous, detail, detoxification, enzymes, healing, health, hirudinization, hirudo, hirudotherapy, hospital, hyaluronidase, illness, invertebrate, leech, leeching, lymph, lytic compound, medical, medicinal, parasite, parasitic, peptidase, procedure, research, skin, small, specimen, suck, sucker, swelling, therapy, treatment, wet,