home / medterms medical dictionary a-z list / protozoa definition 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. What Kind of Doctor Do I Need?
Ilocos Region. The Ilocos Region is a region on the island of Luzon in the Philippines. Ilocos Region occupies the narrow plain between the Cordillera Central mountain range and the South China Sea. Ilocos Region Photos.
There are general regions that encompass several states each like the Pacific northwest (West), the southwest, New England (Northeast), Plains/midwest (all of the middle),and the South (southeast). There are also 50 states, with each state having many regions. For example: Belmont, California is in central region of San Mateo County. San Mateo County is in what is known as the peninsula region of the San Francisco Bay Area. The SF Bay Area is in Northern California, which is in turn a region of California.