26
T U N E O
Y A M A D A
F I G . 9.
FIGS. 8, 9. Notochord and somites differentiated in an isolate of Triturus ectoderm
cultured in a solution of sample A m P t (Fig. 8) or of sample UISp (Fig. 9) separated from
the guinea-pig bone marrow. Protein concentration: 5 0 /-ig/ml. χ 2 4 0 .
T U N E O
Y A M A D A
F I G . 9.
FIGS. 8, 9. Notochord and somites differentiated in an isolate of Triturus ectoderm
cultured in a solution of sample A m P t (Fig. 8) or of sample UISp (Fig. 9) separated from
the guinea-pig bone marrow. Protein concentration: 5 0 /-ig/ml. χ 2 4 0 .