Oncomelania


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Oncomelania

(ong'kō-mĕ-lā'nī-ă),
A medically important genus of amphibious freshwater operculate snails of the family Hydrobiidae (subfamily Hydrobiinae; subclass Prosobranchiata). In Asia, several subspecies of Oncomelania hupensis serve as intermediate hosts of the oriental blood fluke, Schistosoma japonicum.
[onco- + G. melas (melan-), black]
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
Para especies de los generos Littorina (Moore, 1937), Strombus (Abbott, 1960), Oncomelania (Chi & Wagner, 1957) y Tudorella (Ibanez & Alonso, 1979) se ha informado la existencia de dimorfismo sexual.
She explained that farm animals exposed in areas with the presence of the intermediate host snail called Oncomelania species will most likely be infected by the disease.
Very few data on snail host parasite interaction have been recovered, and these were mainly focused on Oncomelania hupensis quadrasi, due to the utmost interest in the nationwide control of schistosomiasis caused by Schistosoma japonicum.
The Schistosoma japonicum cercariae used in experiments were obtained from Oncomelania hupensis-infected snails (Jiangsu Institute of Parasitic Disease, China).
Molluscicidal activity of the plant Eupatorium adenophorum against Oncomelania hupensis, the intermediate host snail of Schistosoma japonicum [J].
in lowland rice (Stevens, 2003) and the intermediate host of Schistosoma sp., the freshwater snail Oncomelania hupensis (Quanbin et al., 1992).
LAMP assay was used to detect Schistosoma japonicum infection in pooled samples of field-collected Oncomelania in China and they constructed a transmission of schistosomiasis risk map using ArcMap, based on the positive proportion, which will be a surveillance and response strategies guide in high risk areas [21].
Pan, "A high-performance molluscicidal ingredient against Oncomelania hupensis produced by a rhizospheric strain from Phytolacca acinosa Roxb," Pharmacognosy Magazine, vol.
Lymnaea, Indoplanorbis, Bulinus, Physa, Gyraulus, Bellamaya and Oncomelania. As regard the season wise prevalence of snails, it was the highest during summer followed by autumn then winter, whereas the lowest during spring.
(7) Schistosoma japonicum is spread by the freshwater snail Oncomelania and it is responsible for intestinal and hepatosplenic schistosomal infections in Indonesia, Peoples Republic of China, and the Philippines.
(2010) found that as winter temperatures continue to rise due to global warming, Oncomelania hupensis (the intermediate host of Schistosoma japonicum in China) may increase its range, thereby spreading schistosomiasis to the northern part of China.