Parasitology

Definition

Parasitology is the study of parasites, their biology, pathology, and interactions with hosts. It encompasses the examination of protozoa, helminths, and ectoparasites that affect humans and other organisms.

5 Must Know Facts For Your Next Test

1. Parasites can be classified into three main groups: protozoa, helminths, and ectoparasites.
2. Protozoan infections include diseases like malaria and amoebiasis.
3. Helminths are worm-like parasites such as tapeworms, flukes, and roundworms.
4. Ectoparasites live on the surface of the host; examples include lice and ticks.
5. Parasitic infections can be diagnosed through various methods like blood tests, stool samples, and imaging techniques.

Review Questions

• What are the three main groups of parasites studied in parasitology?
• Name two diseases caused by protozoan parasites.
• How are parasitic infections typically diagnosed?

Related terms

Protozoa:

Single-celled eukaryotic organisms that can cause diseases such as malaria.

Helminths: Worm-like parasites including species like tapeworms and roundworms.

Ectoparasites: Parasites that live on the exterior of a host, such as lice and ticks.