Sereny test
Sereny Test
The Sereny test (pronounced: səˈrɛni tɛst) is a diagnostic procedure used to identify the presence of Shigella species, particularly Shigella dysenteriae, in a patient's stool sample. The test is named after its developer, George Sereny, a Hungarian physician and microbiologist.
Etymology
The Sereny test is named after George Sereny, who first described the procedure in 1955. The term "test" is derived from the Latin word testum, meaning "the lid of an earthen vessel, an earthen vessel, an earthen pot". In the context of medical and scientific usage, a test is a procedure for critical evaluation; a means of determining the presence, quality, or truth of something.
Procedure
The Sereny test involves inoculating a guinea pig's eye with a suspension of the patient's stool sample. If the guinea pig develops keratoconjunctivitis (inflammation of the cornea and conjunctiva), the test is considered positive, indicating the presence of Shigella dysenteriae.
Related Terms
- Shigella: A genus of gram-negative, non-spore-forming, rod-shaped bacteria that is extremely virulent and capable of causing severe dysentery.
- Keratoconjunctivitis: Inflammation of the cornea and conjunctiva, often caused by bacterial or viral infection.
- George Sereny: A Hungarian physician and microbiologist who developed the Sereny test.
See Also
External links
- Medical encyclopedia article on Sereny test
- Wikipedia's article - Sereny test
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