These structures give rise to the epaxial and hypaxial muscles, the dermis, and the vertebrae after initially forming on either side of the neural tube.
These structures are improperly separated in the Zebrafish mutants beamter and fss. The boundaries between these entities are specified by Eph-ephrin signaling induced by Tbx6 and MESP2, mutations in which cause spondylocostal dystosis. These structures are specified in an anterior-to-posterior direction by a wave of FGF8 signalling hitting cells with oscillating Notch and Wnt signaling; that is called the clock and wavefront model. They split off from the (*) paraxial mesoderm, and eventually split into the dermatome, sclerotome, and myotome. These structures give rise to the epaxial and hypaxial muscles, the dermis, and the vertebrae after initially forming on either side of the neural tube. For 10 points, name these paired balls of epithelial and mesenchymal cells important in development of the skeletomuscular system.
These structures are improperly separated in the Zebrafish mutants beamter and fss.
somites