Abstract：
:Sexually mature male guppies (Poecilia reticulata) were exposed to 17beta-estradiol, 4-tert-octylphenol, bisphenol A, flutamide, p,p'-DDE, or vinclozolin to determine the effects of these estrogenic or antiandrogenic substances on the testis structure. Flutamide, p,p'-DDE, 4-tert-octylphenol, and bisphenol A exposure caused similar effects. These included a reduced number of spermatogenetic cysts and an increased number of spermatozeugmata in the ducts. These effects are indicative of a blocked spermatogonial mitosis. 17beta-Estradiol produced effects different from those of the other compounds studied. The effects were seen as an increased number of hypertrophied Sertoli cells/efferent duct cells. The mammalian antiandrogen vinclozolin had no observable effects on the testis structure when given in doses of 1, 10, or 100 microg/mg food.
journal_name
Ecotoxicol Environ Safjournal_title
Ecotoxicology and environmental safetyauthors
Kinnberg K,Toft Gdoi
10.1016/s0147-6513(02)00010-6keywords:
subject
Has Abstractpub_date
2003-01-01 00:00:00pages
16-24issue
1eissn
0147-6513issn
1090-2414pii
S0147651302000106journal_volume
54pub_type
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
pub_type： 杂志文章
doi：10.1016/j.ecoenv.2007.06.002
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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abstract：:Mining operations, industrial production and domestic and agricultural use of metal and metal containing compound have resulted in the release of toxic metals into the environment. Metal pollution has serious implications for the human health and the environment. Few heavy metals are toxic and lethal in trace concentr...
journal_title：Ecotoxicology and environmental safety
pub_type： 杂志文章,评审
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更新日期：2016-04-01 00:00:00
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journal_title：Ecotoxicology and environmental safety
pub_type： 杂志文章
doi：10.1016/j.ecoenv.2013.07.030
更新日期：2014-02-01 00:00:00
abstract：:The mining and processing of nickel ores from tropical regions contributes 40% of the global supply. The potential impact of these activities on tropical marine ecosystems is poorly understood. Due to the lack of ecotoxicity data for tropical marine species, there is currently no available water quality guideline valu...
journal_title：Ecotoxicology and environmental safety
pub_type： 杂志文章
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