tetrahymena

[ te-truh-hahy-muh-nuh ]
/ ˌtɛ trəˈhaɪ mə nə /

noun Biology.

any ciliated protozoan of the genus Tetrahymena, a relative of the paramecium: often used in genetics research.

Origin of tetrahymena

< New Latin (1940); see tetra-, hymen, -a2; so named from the four membranous ciliary organelles that characterized a cytostomal pattern exemplified by this genus