Definition: A large genus of spiruroid roundworms parasitic in the stomach and duodenum of vertebrates, especially birds and mammals; they are transmitted through insect and annelid intermediate hosts and are frequently pathogenic, causing erosions and catarrhal gastritis. Physaloptera caucasica is a species reported in humans in the Republic of Georgia and other areas of the Causcaus to the south of Russia; Physaloptera mordens is a species from tropical Africa found only rarely in the esophagus, stomach, and intestine of humans (probably cases of temporary infection from ingestion of infected insects).
[G. physallis, bladder, + pteron, wing]
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