How Do You Spell OPISTHORCHIS SINENSIS?

Pronunciation: [ˌɒpɪsθˈɔːkɪz sˈa͡ɪnnsɪs] (IPA)

The word "Opisthorchis sinensis" is a scientific term commonly used in the study of parasitology. It is pronounced as /ɒpɪsˈθɔːrkɪs sɪˈnɛnsɪs/ in the IPA phonetic transcription. The word is derived from Greek and Latin roots, with "Opisthorchis" meaning "pointed tail" while "sinensis" refers to China. The spelling of this word can be challenging due to its complex combination of consonant clusters and vowel sounds. However, with the use of the IPA phonetic transcription, one can easily understand and pronounce the word correctly.

OPISTHORCHIS SINENSIS Meaning and Definition

1. Opisthorchis sinensis, commonly known as the Chinese liver fluke, is a parasitic flatworm that infects the liver and bile ducts of humans and other mammals. It belongs to the family Opisthorchiidae and the class Trematoda.

   The adult form of Opisthorchis sinensis is a small, leaf-like fluke that measures about 1-2 centimeters long. It has a complex life cycle involving two intermediate hosts - freshwater snails and freshwater fish. The eggs of the fluke are released into the environment through the feces of infected hosts. Once the eggs reach freshwater, they hatch and develop into larvae called miracidia, which are then ingested by snails. Within the snails, the miracidia undergo several developmental stages, eventually producing free-swimming larvae called cercariae. These cercariae are released into the water and can infect fish by penetrating their skin or through ingestion.

   When humans consume raw or undercooked infected fish, the cercariae encyst in their intestines and migrate to the liver and bile ducts, where they mature into adults. The presence of Opisthorchis sinensis in the liver can cause chronic inflammation, fibrosis, and obstruction of the bile ducts, leading to conditions such as cholangitis, cholecystitis, and even liver cancer.

   Opisthorchis sinensis is endemic to certain regions of Asia, including China, Thailand, Vietnam, and Laos. Human infection with this liver fluke is primarily associated with the consumption of raw or undercooked fish dishes, commonly found in these countries. Control and prevention strategies involve health education, improved sanitation, proper cooking of fish, and treating infected individuals with anti-parasitic medications.

2. Distomum sinense, D. japonicum, D. spatulatum, Chinese or Japanese liver fluke, a common parasite of the bileducts in man in Eastern and Southern Asia.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

Common Misspellings for OPISTHORCHIS SINENSIS

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Etymology of OPISTHORCHIS SINENSIS

The word "Opisthorchis sinensis" is derived from the combination of two components, "Opisthorchis" and "sinensis".

1. Opisthorchis: The term "Opisthorchis" comes from the Greek words "opistho" meaning "back" or "behind" and "orchis" meaning "testicle". It refers to the flattened shape of the genus Opisthorchis, which resembles the shape of testicles.

2. Sinensis: The word "sinensis" is derived from Latin and means "from China". It is commonly used in taxonomy to indicate that a species or genus originates from China.

Therefore, "Opisthorchis sinensis" can be interpreted as a flatworm organism that resembles testicles and is native to China. These parasites are commonly known as Chinese liver flukes.