Experimentelle Untersuchungen über die Aufnahme von Eiweiss, Viren und Bakterien während der Embryogenese des Kaninchens☆
[摘要] 1.1.Intherabbit,albuminbeginstobetransferredintotheyolksacat7daysand12hourspostcoitum.Aconcentrationequivalenttothatinthematernalserumisreachedwithinafewhours.2.2.Antibodiesinthematernalbloodmovesimilarly.3.3.Virusesadministeredtothemotherintravenouslyorintheuterinelumenentertheyolksacat6daysand16hourspostcoitum,butnotearlier.Onlypriortothattimemayblastocystsbeflushedoutoftheuterus.4.4.Bacteriaintroducedintotheuterinelumenentertheyolksacatthesametimethatvirusesdo.5.5.Theexperimentssuggestthatdiscontinuitiesdevelopinthenon-cellularmucoproteincoatssurroundingtheconceptus.6.6.Itappearspossiblethatsubstancesinjurioustotheembryomightreachitatthetimeofimplantation.7.7.Thequestionisraisedwhethertheearlyuptakeofproteinmayleadtoimmunologicaltolerance.
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[效力级别] [学科分类] 生物科学(综合)
[关键词] [时效性]