نتایج جستجو برای: Acanthocephala
تعداد نتایج: 497 فیلتر نتایج به سال:
Knowledge concerning the taxonomy and biology of species of Acanthocephala, helminth parasites of the helminth species of the phylum Acanthocephala, parasites of lizards in Brazilian Amazonia, is still insufficient, but reports of Acanthocephala in reptiles are becoming increasingly common in the literature. Cystacanth-stage Acanthocephalan larvae have been found in the visceral peritoneum duri...
The taxon Syndermata comprises the biologically interesting wheel animals ("Rotifera": Bdelloidea + Monogononta + Seisonidea) and thorny-headed worms (Acanthocephala), and is central for testing superordinate phylogenetic hypotheses (Platyzoa, Gnathifera) in the metazoan tree of life. Recent analyses of syndermatan phylogeny suggested paraphyly of Eurotatoria (free-living bdelloids and monogono...
One hundred prairie rattlesnakes, Crotalus viridis viridis, from western South Dakota were examined for evidence of helminth parasites. Twenty-one percent were infected with 1 of 6 parasite species. The following species were recovered: Manodistomwn sp., Mesocestoides sp., Physaloptera sp., 2 different species of oligacanthorhynchid acanthocephala, and an unidentified species of acanthocephalan...
background: due to scarcity of human reports, we took advantage of the heaviest infection of m. moniliformis in rats, to describe histopathological and microanatomical valuable useful keys while confronting human occurrences. methods: samples were obtained from captured rats in tehran, capital of ira, during two decades. tissue sections were performed through hematoxylin and eosin staining ...
Manuscript 1001; Received 14 Feb 2003; Revised finally accepted 29 April 2004; © Zoo Outreach Organisation 1540 ABSTRACT Helminthiasis in wild carnivores can cause high morbidity and mortality specially in young ones. This paper discusses in brief on the occurrence of helminthic infestation in wild carnivores as reported from India. They suffer from trematodes, cestodes, nematodes and acanthoce...
Molecular and morphological data regarding the relationships among the three classes of Rotifera (Bdelloidea, Seisonidea, and Monogononta) and the phylum Acanthocephala are inconclusive. In particular, Bdelloidea lacks molecular-based phylogenetic appraisal. I obtained coding sequences from the mitochondrial genomes of twelve bdelloids and two monogononts to explore the molecular phylogeny of B...
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