Fig. 9. Schematic representation of the cardiac tube patterning. The combined action of the regionalized expressions of Hox genes and of Hh provided by the ectoderm leads to segmental and axial cell diversities.
Fig. 9. Schematic representation of the cardiac tube patterning. The combined action of the regionalized expressions of Hox genes and of Hh provided by the ectoderm leads to segmental and axial cell diversities.