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Volume 20, Number 1—January 2014

Etymologia

Etymologia: Opisthorchis

Suggested citation for this article

Opisthorchis [oʺpis-thorʹkis]

From the Greek opisthen (behind) and orchis (testicle), Opisthorchis is a genus of trematode flatworms whose testes are located in the posterior end of the body. Rivolta is generally credited with discovering the first opisthorchid, which he named Distoma felineus, in a cat in Italy in 1884. However, the fluke may have been mentioned by Rudolphi in 1819, and in 1831, Gurlt published a textbook that included a drawing of a fluke that was almost certainly Opisthorchis. By the end of the 19th century, Distoma contained so many species that Blanchard introduced the genus Opisthorchis for elongated flat flukes with testes in the posterior end of the body. He chose Rivolta’s Opisthorchis felineus as the type species.

Length: 1:01

References

  1. Bowman DD, Hendrix CM, Lindsay DS, Barr SC. Opisthorchidae. In: Feline clinical parasitology. Ames (IA): Iowa State University Press; 2002. p. 150–62.
  2. Dorland’s Illustrated Medical Dictionary. 32nd ed. Philadelphia: Elsevier Saunders; 2012.
  3. Fantham HB, Stephens JWW, Theobald FV. The animal parasites of man. New York: William Wood and Company; 1920. p. 252.
  4. Schuster RK. Opisthorchiidosis—a review. Infect Disord Drug Targets. 2010;10:40215 . DOIPubMed

Suggested citation for this article: Etymologia: Opisthorchis. Emerg Infect Dis [Internet]. 2014 Jan [date cited]. http://dx.doi.org/10.3201/eid2001.ET2001

DOI: 10.3201/eid2001.ET2001

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