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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Lyperosomum intermedium ： ウィキペディア英語版 Lyperosomum intermedium ''Lyperosomum intermedium'' is a parasitic trematode belonging to the subclass Digenea that infects the marsh rice rat (''Oryzomys palustris''). The species was first described in 1972 by Denton and Kinsella, who wrote that it was closest to ''Lyperosomum sinuosum'', known from birds and raccoons in the United States and Brazil.〔Denton and Kinsella, 1972, p. 227〕 Three years later, Denton and Kissinger placed the two, together with a number of other species, in a new subgenus of ''Lyperosomum'', ''Sinuosoides''.〔Denton and Kissinger, 1975, p. 42〕 Species of ''Lyperosomum'' mainly infect birds; ''L. intermedium'' is one of the few species to infect a mammal.〔 ''Lyperosomum intermedium'' is a long-bodied, parallel-sided, semitransparent worm with rounded ends. Length is 1650 to 4200 μm and width is 335 to 420 μm. The pharynx is rounded and has a diameter of 60 to 74 μm and the esophagus is straight to a bit curved in form and about 60 μm long. The testes are oval to rounded and have a diameter of 111 to 240 μm. The uterus is large. Eggs are light brown, have thin shells, and are 46 to 51 μm long and 23 to 27 μm wide.〔 ''L. intermedium'' is smaller and broader than ''L. sinuosum'' and does not tend to assume a curved shape in fixation, as that species does. The two also differ in other anatomical details, such as the location and size of various body parts.〔 ''Lyperosomum intermedium'' has been found in rats of saltmarshes in Florida and Georgia. It was found in 28 of 72 rice rats at Cedar Key, Florida, with the number of flukes per infected rat ranging from one to 150 (average 17), and in five of six rice rats from Sapelo Island, Georgia, with two to 51 flukes per rat (average 18), but did not occur in more than 100 rice rats from freshwater marshes in Florida. It infects the pancreas.〔Denton and Kinsella, 1972, p. 226〕 ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Lyperosomum intermedium」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.