Observations on Moulting of Fourth-Stage Larvae of Paratylenchus Nanus
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چکیده
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Angiostrongylus cantonensis: Scanning Electron Microscopic Observations on the Cuticle of Moulting Larvae
Angiostrongylus cantonensis is a parasitic nematode that needs to develop in different hosts in different larval stages. Freshwater snails, such as Pomacea canaliculata, are the intermediate host, and rats are the definitive host. Periodic shedding of the cuticle (moulting) is an important biological process for the survival and development of the parasite in the intermediate and definitive hos...
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The present study to attempt to cultivate Angiostrongylus cantonensis from third-stage larvae (AcL3) to fourth-stage larvae (AcL4) in vitro in defined complete culture medium that contained with Minimum Essential Medium Eagle (MEM), supplemented amino acid (AA), amine (AM), fatty acid (FA), carbohydrate (CA) and 20% fetal calf serum (FCS) was successful. When AcL3 were cultured in the defined c...
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this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...
15 صفحه اولthe effect of explicit teaching of metacognitive vocabulary learning strategies on recall and retention of idioms
چکیده ندارد.
15 صفحه اولObservations on the Inner Labial Sensilla of Second-stage Larvae of Heterodera glycines.
Scanning electron microscopic (SEM) studies of tile cephalic region of members of the fainily Heteroderidae have failed to reFort inner labial sensilla of second-stage larvae, ahhough the labial sensilla of males have been observed (1,4,6,7,9,11,12,13). T h e existence and location of the labial sensilla in tile families Heteroderidae and Meloidogynidae have been discussed among hematologists c...
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ژورنال
عنوان ژورنال: Australian Journal of Biological Sciences
سال: 1966
ISSN: 0004-9417
DOI: 10.1071/bi9661073