Vertebrate head development: Segmentation, novelties and homology.

Abstract

Vertebrate head development is a classical topic lately invigorated by methodological as well as conceptual advances. In contrast to the classical segmentalist views going back to idealistic morphology, the head is now seen not as simply an extension of

Keywords

• Neural crest
• Paraxial mesoderm
• Segmentation
• Characters
• Constraints