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Early morphogenetic events in normal and mutant skin development in the chick embryo and their relationship to alkaline phosphatase activity☆☆☆
[摘要] Therelationshipbetweentheappearanceofalkalinephosphataseactivityandthepresenceofdermalcondensationsinthedorsalskinofthechickembryowasinvestigated.Ahistologicalanalysisofscalelessdorsalskinhasrevealedthatthistissuedoesnotdevelopanydermalcondensations.Alkalinephosphataseactivityappearsandisevenlydistributedintheseskins.Thisenzymaticactivityisrestrictedtothedermalcondensationsingeneticallynormalskin.β-Aminoproprionitrileandpenicillaminewerefoundtoinhibittheformationofdermalcondensationingeneticallynormalskins.Alkalinephosphataseappearedintheseexperimentallyalteredskins.Theactivitywasuniformlydistributedthroughoutthetissue.Itisconcludedthattheappearanceofalkalinephosphataseactivityisnotdependentontheformationofdiscretedermalcondensations.
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[效力级别]  [学科分类] 生物科学(综合)
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