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.
Regions[edit] 1  The cranial region encompasses the upper part of the head while the. 2  facial region encompasses the lower half of the head beginning below the ears. 3  The eyes are referred to as the orbital or ocular region.  The cheeks are referred to as the buccal region.