Heartworm

Pronunciation
/HEART-worm/
Category
Disease
Singular
Heartworm
Plural
Heartworms

Definition

A parasitic disease caused by adult heartworms (Dirofilaria immitis) that reside in the heart and major blood vessels of dogs, cats, and other animals.

Etymology

Example

The dog's heartworm infection was diagnosed after experiencing coughing and difficulty breathing.

Related Terms

Usage Notes

Heartworm disease is a serious, potentially fatal disease that requires treatment with antiparasitic medications.