Results 161 to 170 of about 1,862 (215)
A New Trematode Metacercaria from the Eyes of Trout
Nature, 1953 SEVERAL workers1–4 have reported the occurrence of eye metacercariae from various British freshwater fishes, and all have regarded their specimens as Diplostomum volvens. This, as described originally by Nordmann (1832) and reported later by various workers, has an oral sucker much smaller than the ventral, and its lateral adhesive organs are never in ...
Lal, M. B.
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Excystment of the metacercaria of the trematode Mesocoelium monodi
International Journal for Parasitology, 1986Abstract Excystment of the metacercaria of the trematode Mesocoelium monodi. International Journal for Parasitology 16 : 237–239. The metacercaria of Mesocoelium monodi , an intestinal trematode parasite of Agama agama and Bufo regularis , excysted in 0.025% chymotrypsin, chicken and toad bile, human urine at 36°C, duodenal and intestinal ...
exaly +3 more sources
Studies on the excystment of trematode metacercariae in vivo
Journal of Helminthology, 1974AbstractMetacercariae of two species of trematode (Clinostomum tilapiae, Postodiplostomum nanum) excysted in the stomach of birds, while those of three species (Parorchis acanthus, Posthodiplostomum sp., Postliodiplostomoides leonensis) excysted in the duodenum. Differences were related to the structure of the cyst wall. All could excyst in birds which
M F, Asanji, M O, Williams
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In vitro excystment of the metacercariae of Ribeiroia ondatrae
Parasitology Research, 2005In vitro excystation studies were done on the metacercarial cysts of Ribeiroia ondatrae obtained from naturally infected leopard frogs, Rana pipiens. Studies were done in Petri dish cultures in various media maintained at 41 degrees C. The media consisted of 0.5% trypsin-0.5% bile salts in Earle's balanced salt solution at pH 7.8 (TB), 1% acid pepsin ...
Bernard, Fried, Pieter T J, Johnson
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Digenean Metacercariae Parasitic in a Staurozoan Cnidarian
Zoological Science, 2022I report digenean metacercariae from Staurozoa, which were not previously known as digenean hosts. The host species, Haliclystus tenuis Kishinouye, 1910, was collected from algae in Oshoro Bay, Hokkaido, Japan, and contained metacercariae in the mesoglea. The metacercariae were encysted; cysts were oval, 93 µm long by 64 µm wide in one live individual.
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In Vitro Excystation ofParagonimus heterotremusMetacercariae
Journal of Parasitology, 2001In vitro excystation studies were carried out on the metacercariae cysts of Paragonimus heterotremus obtained from naturally infected crabs Potamon spp. The effects of elastase, trypsin, trypsin-dog bile, trypsin-bile salt, and dithiothreitol (DTT) were examined. The trypsin-dog bile medium stimulated maximum excystation.
P M, Intapan, W, Maleewong
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Studies on the viability of metacercariae of Fasciola gigantica
Journal of Helminthology, 1999The viability of metacercariae of Fasciola gigantica was tested by in vitro and in vivo methods. In vitro testing was based upon the motility of juvenile flukes within the inner cyst as examined under the light microscope. In vivo testing was undertaken through experimental infections of rabbits (two groups) and natural definitive hosts, lambs (one ...
A, Prasad +3 more
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Cercariae and metacercariae of Stephanostomumcloacum (Trematoda: Acanthocolpidae)
International Journal for Parasitology, 1993Cercariae and metacercariae of the acanthocolpid trematode, Stephanostomum cloacum (Srivastava, 1938) are described and illustrated, based on material collected from Chilka Lake, a brackish water lagoon. Natural infections with the cercariae were found in the snail, Nassarius orissaensis and with the metacercariae in the bivalve, Modiolus undulatus ...
R, Madhavi, U, Shameem
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Bile-induced genes in Clonorchis sinensis metacercariae
Parasitology Research, 2008Bile stimulates many intestinal parasites, and newly excysted juvenile Clonorchis sinensis (CsNEJ) responds chemotactically to bile and matures in the bile duct. In this study, using annealing control primer-based polymerase chain reaction (PCR), 16 differentially expressed genes (DEGs) were found to be upregulated in C.
Tae Im, Kim +4 more
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Gene expression profile of Clonorchis sinensis metacercariae
Parasitology Research, 2007Clonorchis sinensis develop through miracidium, sporocyst, redia, cercaria, and metacercaria stages before becoming egg-laying adult flukes. The authors undertook this analysis of gene expression profiles during developmental stages to increase our understanding of the biology of C. sinensis and of host-parasite relationships. From a C.
Pyo Yun, Cho +3 more
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