PHYLUM CHORDATA notochord dorsal, hollow nerve tube gill slits post anal tail.
Chapter 14- Mesoderm-paraxial and intermediate Recall lineages: Fig. 12.4 Fig. 14.1- mesoderm lineages Fig. 14.2- mesoderm lineages in chick 24hr 48hr.
Floor Plate Issues Diversity – Non-neuronal cells – Neurons Developmental origins Midbrain dopaminergic cells Comparison to insect midline cells.
Notogenesis, neurulation, somitogenesis. The embryonic axial structures development : 1.primitive streak 2.notochord 3.neural tube 4.somites.