Definition

Noun: A flagellated protozoan is a type of single-celled organism (a protozoan) that is typically free-living and nonphotosynthetic. Its defining characteristic is the possession of one or more long, whip-like appendages called flagella, which it uses for movement. Some species within this group are pathogenic to humans and other animals.

Usage and Examples

• Scientific Classification: The term is used in biology and microbiology to categorize and describe a specific group of protozoans.
• Medical Context: Used when discussing certain infectious diseases caused by these organisms.

Advanced Usage and Notes

• The term is often used interchangeably with mastigophoran or flagellate in zoological taxonomy, though "flagellate" can be a broader term.
• These organisms can be found in diverse environments, including water, soil, and as symbionts or parasites within hosts.
• While many are free-living, the pathogenic species are of significant medical and veterinary importance.

Variants and Related Words

• Flagellate (noun): Another term for a flagellated protozoan.
• Mastigophoran (noun): The formal taxonomic equivalent for flagellated protozoan.
• Flagellum (noun): The singular form of the whip-like appendage. (Plural: flagella)

Synonyms

• Flagellate
• Mastigophoran

Related Terms and Concepts

• Protozoan: The broader category of single-celled, eukaryotic organisms.
• Pathogen: An organism that causes disease.
• Trypanosoma: A genus of flagellated protozoans, including the species that causes African sleeping sickness.

Noun

1. a usually nonphotosynthetic free-living protozoan with whiplike appendages; some are pathogens of humans and other animals