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.
[发布日期] [发布机构]
[效力级别] [学科分类] 生物科学(综合)
[关键词] [时效性]