Protozoa

What Kind of Doctor Do I Need? Slideshow

Medical Definition of Protozoa

Protozoa: A parasitic single-celled organism that can divide only within a host organism. For example, malaria is caused by the protozoa Plasmodium.


Subscribe to MedicineNet's General Health Newsletter

By clicking Submit, I agree to the MedicineNet's Terms & Conditions & Privacy Policy and understand that I may opt out of MedicineNet's subscriptions at any time.

Reviewed on 1/25/2017

Health Solutions From Our Sponsors