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.
The umbilical region, in the anatomists' abdominal pelvic nine-region scheme, is the area surrounding the umbilicus (navel). This region of the abdomen contains part of the stomach, the head of the pancreas, the duodenum, a section of the transverse colon and the lower aspects of the left and right kidney. The upper three regions, from left to right, are the left hypochondriac, epigastric, and right hypochondriac regions.