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Chimeras were prepared by transplanting somites from 9-day post-coïtum mouse embryos or somitic dermomyotomes from 10-day post-coïtum mouse embryos into 2-day-old chick embryos at different axial levels. Mouse somitic cells then differentiated in ovo in dermis, cartilage and skeletal muscle as they normally do in the course of development and were able to(More)
This study investigated possible interactions between motoneurons and somitic-derived muscle cells in the formation of neuromuscular synapses in the myotome. The peculiarities of the neuromuscular synaptic pattern in chick and mouse embryos provided a model for studying the achievement of synaptogenesis between chick motoneurons and mouse muscle cells. In(More)
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