Protozoology is the study of single-celled organisms known as protozoans. There are several synonyms that can be used to refer to this field, including protistology, protozoology, and protozoologyology. Protistology is the scientific study of protists, which includes protozoa, algae, and slime molds. On the other hand, protozoologyogy is a subfield of protozoology that focuses on the study of the morphology, behavior, and classification of protozoans. Additionally, related fields to protozoology include parasitology, microbiology, and cell biology. Understanding these synonyms can help elucidate the breadth of the field of protozoology and its numerous subdisciplines.