Explain the Hilde Proescholdt
Mangold experiment of 1924. What does the photo on the left mean?
(Photo of organism splitting in the blue background).
Blastocoel Presumptive notochord Presumptive somites Dorsal Presumptive Presumptive blasiopere endoderm epidermis awagnation I Induced secondary structures Primary structures Somite Lumen of gut Neural tube Notochord Endoderm 0 200 Lumen ofgut Neural tube invagination invagination