noun
- An external parasite that lives on the surface of an animal's body.
Usage: biology; zoology; formal
Examples
- Fleas and lice are common examples of ectozoon parasites.
- The veterinarian identified an ectozoon infestation on the dog's skin.
- Ticks are ectozoon organisms that attach to mammals for feeding.
- The study examined various ectozoon species found on wild birds.
- Ectozoon parasites can cause itching and skin irritation in their hosts.