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Fig. 4. GFP-labelled grafts of the three embryonic tissues to the presumptive tail
region. (A-C) Embryo stage NF37. (D-F) Tadpole stage NF 49. (G-I) Transverse
sections of caudal region of host at tailbud embryo stage NF 37. (L-N)
sections of tail at tadpole stage NF 49. The sections of the three different
graft types are immunostained with anti GFP (red/brown) and counterstained
with Haematoxylin (blue) showing specific labelling of each of the three
tissue types. Scale bars: 100 µm.