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Fig. 6. Heterotopic grafts. (A-F) Trunk and tails of embryos
receiving a heterotopic graft as indicated. (G-X) Transverse confocal
sections through a representative embryo. Sections through body and tail are
at the same levels as in Fig.
5. Insets in F and L, embryos in which donor cells did not
incorporate well in the axis and tail bud but formed an ectopic structure.
Arrows indicate the notochord. White box in P, chordoneural hinge (CNH). s,
somite; nt, neural tube; tbm, tail bud mesoderm.