Chromosomes of a Freshwater Gastropod, Lymnaea luteola Lamarck(Lymnaeidae: Basommatophora).
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منابع مشابه
Reproductive impacts of tributyltin (TBT) and triphenyltin (TPT) in the hermaphroditic freshwater gastropod Lymnaea stagnalis.
Tributyltin (TBT) and triphenyltin (TPT) are emblematic endocrine disruptors, which have been mostly studied in gonochoric prosobranchs. Although both compounds can simultaneously occur in the environment, they have mainly been tested separately for their effects on snail reproduction. Because large discrepancies in experimental conditions occurred in these tests, the present study aimed to com...
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The molluscicidal effect of nicotinanilide was evaluated and compared with niclosamide (2',5-dichloro-4'-nitrosalicylanilide, ethanolamide salt) against different stages of the freshwater snail Lymnaea luteola i.e., eggs, immature, young mature, and adults. Calculated values of lethal concentrations (LC50 and LC90) showed that both nicotinanilide and niclosamide as toxic against eggs, immature,...
متن کاملThe chromosomes of Biomphalaria tenagophila (Gastropoda--Basommatophora--Planorbidae).
The subfamilies Bulininae and Biomphalariinae are of medical importance being potential intermediate hosts of human and herbivore schistosomiasis. South America is inhabited by the subfamilie Biomphalariinae. Biomphalaria glabrata (=Australorbis glabratus) is the principal host of Schis tosoma mansoni in Brazil. In Argentina there are no cases of schistosomiasis as yet although Biomphalaria ten...
متن کاملVolatility in the effective size of a freshwater gastropod population
Despite the utility of gastropod models for the study of evolutionary processes of great generality and importance, their effective population size has rarely been estimated in the field. Here, we report allele frequency variance at three allozyme-encoding loci monitored over 7 years in a population of the invasive freshwater pulmonate snail Physa acuta (Draparnaud 1805), estimating effective p...
متن کاملHistology and Histochemistry of Mantle of Lymnaea Luteola (Lamarck 1799) Mollusca Gastropoda
The mantle is an important molluscan organ. It serves as a respiratory organ in most of the pulmonates; its walls have a dense vascular network. It is an outer jacket of the visceral mass and harbors the pulmonary chamber on its right side. Mantle is the specialized organ of the gastropods for it not only bears the glands that secrete the shell but also acts as buffer between the hard calcareou...
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ژورنال
عنوان ژورنال: CYTOLOGIA
سال: 1992
ISSN: 0011-4545,1348-7019
DOI: 10.1508/cytologia.57.143