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heartworm Line breaks: heart|worm

Entry from British & World English dictionary

Definition of heartworm in English:


A parasitic nematode worm which infests the hearts of dogs and other animals.
  • Dirofilaria immitis, class Phasmida
Example sentences
  • When adult heartworms living in animals mate and produce offspring or microscopic heartworm larvae, the offspring can live in an animal's bloodstream for three years.
  • Cats can tolerate a few adult heartworms for several months, but when the heartworms grow in size or when the number multiplies, clinical signs begin to appear.
  • Some illnesses that are common among house pets - such as distemper, canine parvovirus, and heartworms - can't be transmitted to humans.
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