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In an artificial pond in the Zoological Garden in Buenos Aires City, Argentina, Heleobia parchappei (Hydrobiidae) was found to be releasing large-tailed cercariae with a prepharyngeal body, but lacking collar spines and corpuscles in the excretory system. Expand
The Life Cycle of Australapatemon magnacetabulum (Digenea: Strigeidae) from Northwestern Argentina
The life cycle of Australapatemon magnacetabulum Dubois, 1988 was resolved experimentally and the identification of the species was based upon the characteristic large ventral sucker and a genital cone, crossed by a hermaphroditic duct with internal folds. Expand
The Life Cycle of Pseudosellacotyla lutzi (Digenea: Cryptogonimidae), in Aylacostoma chloroticum (Prosobranchia: Thiaridae), and Hoplias malabaricus (Characiformes: Erythrinidae), in Argentina
The morphology of the cercariae, and the characteristics of the life cycle show that P. lutzi should be included in the Cryptogonimidae. Expand
Susceptibility of Wild Populations of Biomphalaria spp. From Neotropical South America to Schistosoma mansoni and Interference of Zygocotyle lunata
Populations from different Argentine localities were exposed to miracidia of Schistosoma mansoni EC strain, and Biomphalaria tenagophila, in addition to the SJ2 strain, which revealed high susceptibility of B. orbignyi and B. oligoza, which are considered resistant to S. mansoni. Expand
Morphological and ITS2 Molecular Characterization of Ribeiroia Cercariae (Digenea: Psilostomidae) from Biomphalaria spp. (Gastropoda: Planorbidae) in Northern Argentina
Morphological, ecological, and ITS2 molecular data suggest that specimens from Argentina belong to a different species of Ribeiroia. Expand
Chromosome fragility in patients with sporadic unilateral retinoblastoma.
Banded karyotypes were prepared from short-term cultures of lymphocytes from the peripheral blood of ten patients with untreated sporadic unilateral retinoblastoma and ten matched controls. DifferentExpand
Redescription of Austrodiplostomum compactum (Trematoda: Diplostomidae) from its Type Host and Locality in Venezuela, and of Austrodiplostomum mordax from Argentina
Abstract Austrodiplostomum compactum from Nannopterum brasilianus, and its metacercaria from Geophagus sp. and Oreochromis mossambicus captured (1979) at its type locality, Valencia Lake, Venezuela,Expand
The Life Cycle of Heterophyes yacyretana n. sp. (Digenea, Heterophyidae), Parasitic in the Endemic Snail Aylacostoma chloroticum (Caenogastropoda, Thiaridae) in Argentina.
Here we describe a new heterophyid species, Heterophyes yacyretana n. sp., and resolve its life cycle experimentally. We found the prosobranch snail Aylacostoma chloroticum in Candelaria, Province ofExpand