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]
References in periodicals archive ?
Molluscicidal activity of the plant Eupatorium adenophorum against Oncomelania hupensis, the intermediate host snail of Schistosoma japonicum [J].
Lymnaea, Indoplanorbis, Bulinus, Physa, Gyraulus, Bellamaya and Oncomelania.
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.
Schistosomes causing human disease Schistosoma Intermediate species Geographical area snail host Haematobium Africa, Madagascar, Bulinus Zanzibar, Pemba, Middle East Intercalatum Central and West Africa Bulinus Mansoni Africa, Madagascar, Biomphalaria Gulf of Arabia, Brazil, Venezuela, Suriname, Caribbean Islands Japonicum China, Philippines Oncomelania mainland, Indonesia Mekongi Laos, Cambodia Tricula Egg Egg production characteristics (number/day) Terminal spine 20-200 Terminal spine Unknown Lateral spine 100-300 No spine 500-3 500 No spine Unknown Schistosoma species Location of adult worms Haematobium Terminal venules of the genitourinary system and pelvic plexus Intercalatum Pericolonic plexus Mansoni Pericolonic plexus Japonicum Pericolonic plexus Mekongi Pericolonic plexus
2] was infested by the intermediate host snail, Oncomelania hupensis (5).
Ademas se ha utilizado como molusquicida sobre el gasteropodo dulceacuicola Oncomelania hupensis Gredler, 1881 para el control del hospedero intermediario de Schistosoma japonicum (Katsurada, 1904) (Digenea: Schistosomatidae) (Xia et al.
Data from direct sequencing of the D6 region of 28S rRNA for each Truncatella species, two Geomelania species and an Oncomelania (Pomatiopsidae) are from Rosenberg et al.
Information concerning morphological and functional basis of defense cells of Oncomelania hupensis (Gastropoda: Pomatiopsidae), intermediate host of schistosomiasis parasite, Schistosoma japonicum, observed through optical microscopy (light and fluorescence); scanning electron microscopy (SEM); and transmission electron microscopy (TEM) is presented.
Schistosomiasis japonica is a zoonotic parasitic disease caused by the trematode blood fluke Schistosomajaponicum, whose life cycle includes an amphibious freshwater snail, Oncomelania hupensis hupensis.
1997) have written on the impact of the dam, speculating that the effect will generally be to increase both Oncomelania snail habitat and human disease transmission.