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首页> 外文期刊>Journal of Parasitology >HISTOLOGICAL ANALYSIS OF TREMATODES IN DREISSENA POLYMORPHA: THEIR LOCATION, PATHOGENICITY, AND DISTINGUISHING MORPHOLOGICAL CHARACTERISTICS
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HISTOLOGICAL ANALYSIS OF TREMATODES IN DREISSENA POLYMORPHA: THEIR LOCATION, PATHOGENICITY, AND DISTINGUISHING MORPHOLOGICAL CHARACTERISTICS

机译:德氏假单胞菌的类螨的组织学分析:它们的位置,致病性和区分形态特征

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摘要

Four families of trematodes were observed in histological sections during a 1992–1997 investigation of the parasites of zebra mussels Dreissena polymorpha. These included Aspidogastridae, i.e., Aspidogaster, Echinostomatidae, Bucephalidae, i.e., Bucephalus polymorphus, and Gorgoderidae, i.e., Phyllodistomum folium. This article describes the precise location of these trematodes in the tissues of D. polymorpha, provides graphic evidence of their effect on the organs they inhabit, and highlights the distinguishing morphological characteristics. Evidence of defense reaction of host to trematode infection, i.e., encapsulation of Aspidogaster and nacrezation of B. polymorphus, is also presented and is the first such report for zebra mussels. The histological photomicrographs included represent the first comprehensive series published on trematode infection of zebra mussels. These images, in conjunction with the morphological descriptions presented, should assist researchers in identifying the 4 major trematode taxa that they are likely to encounter in the tissue sections of zebra mussels.
机译:在1992-1997年对斑马贻贝Dreissena polymorpha的寄生虫进行的调查中,在组织学切片中观察到了四个家族的吸虫。这些包括As蚜科(Aspidogastridae),即As蜂科(Aspidogaster),棘皮mat科(Echinostomatidae),Bu头科(Bucephalidae),即多头型(Bucephalus polymorphus),以及G蛾科(Gorgoderidae),即Ph毛(Phyllodistomum)叶。本文介绍了这些吸虫在多形D的组织中的精确位置,为它们对它们栖息的器官的作用提供了图形证据,并突出了其明显的形态特征。还提出了宿主对吸虫感染的防御反应的证据,即,Aspidogaster的包囊和多形芽孢杆菌的幼稚化,这是斑马贻贝的第一个此类报道。所包括的组织学显微照片代表了有关斑马贻贝吸虫感染的第一个综合系列。这些图像与所呈现的形态学描述相结合,应有助于研究人员确定斑马贻贝的组织部分可能会遇到的4种主要吸虫。

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