1. A parasitic animal organism that lives inside the body of another animal; an internal parasite.
Usage: technical; biology; plural: entozoa

Examples

• The veterinarian identified an entozoon in the dog's intestines.
• Tapeworms are a common entozoon found in livestock.
• Microscopic examination revealed the presence of an entozoon in the patient's blood.
• Many entozoa can be transmitted through contaminated food or water.
• The entozoon had weakened the animal's immune system over time.