Definition of tetrahymena
: any of a genus (Tetrahymena) of ciliate protozoans
Origin of tetrahymena
New Latin, from tetra- + Greek hymēn membrane
First Known Use: 1962
Medical Definition of tetrahymena
1 capitalized : a genus of free-living ciliate protozoans much used for genetic and biochemical research
2: any ciliate protozoan of the genus Tetrahymena
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Medical Dictionary: Definition of "tetrahymena"
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