{"refrec":{"BRefID":283813,"RR":"<b>Vanoverschelde, R.</b> (1980). Studies on the life-cycle of <i>Himasthla militaris</i> (Trematoda: Echinostomatidae). <i>Parasitology 81(3)</i>: 609-617. <a href=\"http://dx.doi.org/10.1017/S0031182000062004\" target=\"_blank\">http://dx.doi.org/10.1017/S0031182000062004</a>","BEntID":275832,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Parasitology 81(3)</i>: 609-617. <a href=\"http://dx.doi.org/10.1017/S0031182000062004\" target=\"_blank\">http://dx.doi.org/10.1017/S0031182000062004</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":1,"TerrestrialFlag":0,"Authorstring":"Vanoverschelde, R.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Vanoverschelde, R.","Englishabstract":"In this study two aspects of the biology of the cercaria of <i>Himasthla militaris</i> were examined. Firstly, the cercarial emergence from the first intermediate host, <i>Hydrobia stagnorum</i>, was studied. On a 9 h light (9L)/15 h dark (15D) schedule cercariae of <i>Himasthla militaris</i> emerged from naturally infected <i>Hydrobia stagnorum</i> predominantly during darkness. Inversion of the photo-period resulted in an immediate reversal of the emergence pattern. A comparison between the cercarial release patterns under natural conditions and in a constant light/temperature environment showed that an endogenous as well as an exogenous factor is controlling this process. Secondly, the penetration of the cercaria in <i>Nereis diversicolor</i> and the site-finding of the larva within this second intermediate host was investigated. After a short external migration on the body of <i>N. diversicolor</i> the cercaria enters the polychaete via the anus opening, perforates the gut-wall and moves through the coelom to the anterior segments to encyst in the muscle tissue. This internal migration results in a specific distribution pattern of the metacercariae, with more than 50% of the cysts localized in the first 12 segments and a maximum in segment number 9 (13·8%).","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Studies on the life-cycle of <i>Himasthla militaris</i> (Trematoda: Echinostomatidae)","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1980,"MonPub":null,"DateUpdate":"2017-03-23","DateCreate":"2017-03-08","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:A1980KX36600015","VABBcode":null,"OpenAcc":0,"DOI":"10.1017/S0031182000062004"},"refs":null,"anarec":{"AnaID":283813,"PubliDate":1980,"Pagination":"609-617","XtraPublOfAnaID":null,"ISBN":null,"Volume":"81","Issue":"3","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43612,"SerRR":"Parasitology. 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