Sentences with phrase «not ectodermal»

Not exact matches

Both groups report that a strand of rapidly dividing cells on the tip of the growing vertebrate limb, called the apical ectodermal ridge (AER), arises exactly on the border between cells that switch on R - fng and those that don't.

However, unlike in chicken (10), the annelid mesodermal and ectodermal midline populations are not directly related by lineage (fig.