简介：AIMDevelopmentaltoxicitytestingtocurrentinternationalguidelinesinvolvesexposureofpregnantanimals,mostlyratsandrabbits,andsubsequentassessmentoftoxiceffectsintheirfetuses.Alternativemethodshavebeendevelopedsince1980s.Themostcomplexassaysinthisareamakedistinctiveandextensiveuseofisolatedpostimplantationrodentembryoswhichareculturedinvitroduringthephaseofmajororganogenesis.Theobjectiveofthisstudyistoestablishaninvitroembryotoxicitytest----basedonpostimplatation9.5dwholeembryoculture(WEC)and3T3celltoxicity.Thepossibilitiesfortheirapplicationasembryotoxicityscreenshavebeeninvestigated.
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