spirochaete
Noun: * A type of long, slender, spiral-shaped bacterium. Spirochaetes are characterized by their unique corkscrew-like morphology and a distinctive mode of locomotion using internal axial filaments. They can be parasitic, causing diseases in humans and other animals, or free-living in various aquatic and terrestrial environments.
The word "spirochaete" is a scientific term used primarily in microbiology and medicine. It refers specifically to bacteria belonging to the phylum Spirochaetes. * It is used to describe the organism's physical form: "a spirochaete bacterium". * It is used when discussing the cause of specific diseases: "The causative agent is a spirochaete."
- Under the microscope, the spirochaete was visible as a thin, helical cell.
- Lyme disease is caused by the spirochaete .
- Syphilis is a well-known infection transmitted by a spirochaete.
- The term is often used in taxonomic and pathological contexts to differentiate this group from other bacterial shapes like cocci (spherical) or bacilli (rod-shaped).
- In older texts, the alternative spelling "spirochete" is common.
- Spirochete (noun): An alternative, chiefly American English, spelling of "spirochaete". The meaning is identical.
- Spirochaetal (adjective): Relating to or caused by spirochaetes. (e.g., a spirochaetal infection).
- Spirochaetosis (noun): Any disease caused by infection with spirochaetes.
- Spirochete: (Direct variant, not a true synonym).
- Helical bacterium: (A descriptive term referencing its shape, but not taxonomically specific).
The word "spirochaete" has a single, specific meaning in biology. It does not have common idiomatic or figurative uses outside of its scientific definition.
- parasitic or free-living bacteria; many pathogenic to humans and other animals