Regulation of sonic hedgehog expression and activity during differentiation of human pluripotent stem cells Ishmam A. Ahmed DOB: 02.18.1994 Wayzata High.
Zebrafish organizer development and germ-layer formation require nodal-related signals
Notogenesis, neurulation, somitogenesis. The embryonic axial structures development : 1.primitive streak 2.notochord 3.neural tube 4.somites.
