Definition

Noun: * A genus of ciliate protozoa: "Genus Tetrahymena" refers to a specific taxonomic group (genus) of single-celled organisms (protozoa) characterized by having four membranous ciliary organelles. These organisms are commonly found in freshwater environments and are widely used in biological research.

Usage Examples

• Noun:
  • The scientist studied the cell division process in genus Tetrahymena.
  • Members of genus Tetrahymena are model organisms for genetic research.
  • The pond water sample contained several species belonging to genus Tetrahymena.

Advanced Usage

• In scientific taxonomy: The term is used in formal biological classification to group related species. It is always italicized in scientific writing (e.g., ).
  • The experiment compared the growth rates of genus Tetrahymena species.

Variants and Related Words

• Tetrahymena (n): The common, abbreviated form of the genus name, often used interchangeably in scientific contexts.
  • The Tetrahymena culture was prepared for microscopy.
• Tetrahymena thermophila (n): A well-known species within this genus, frequently used in laboratory studies.
  • Tetrahymena thermophila has been essential for understanding telomere biology.

Synonyms

• Ciliate genus: A more general term for a genus of protozoa that move using hair-like structures called cilia.

Notes on Meaning

• The term is highly specific to the field of biology, particularly protozoology and cell biology. Its primary meaning is taxonomic, referring to the defined group of organisms. It is not used in everyday language.

Noun

1. protozoa having four membranous ciliary organelles