Vasoplexx and all those kind of things you learn in embryology but then it forms three layers it forms the ectoderm so ecto means outside so it bones skin those kind of things it forms the endoderm endo means inside right so it forms the GI tract and then it forms the mesoderm mezzo means middle blood vessels heart muscle those kind of things and so what we're looking for or what are called mesenchymal stem cells or

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