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. Author manuscript; available in PMC: 2011 May 3.
Published in final edited form as: Dev Dyn. 2010 Apr;239(4):1162–1177. doi: 10.1002/dvdy.22275

Figure 6. Gastrula cells can form myotome fibers when grafted to older tailbud-staged embryos.

Figure 6

(A) A diagram that depicts three different transplantation experiments consisting of RDA-labeled cells grafted from the PSM of tailbud-staged embryos (Graft 1) or from the upper lateral lip-ULL (Graft 2) or the lower lip-LL (Graft 3) regions of gastrulae to the PSM of tailbud-stage embryos (stage 19). Grafted embryos developed to stage 39 and were fixed and stained with the myotome-specific antibody, 12/101. (B) PSM-grafted cells (Graft 1) form myotome fibers throughout the somite and towards the posterior end of the axis. (C) ULL-grafted cells (Graft 2) form myotome fibers also throughout the somite and towards the posterior end of the axis. (D) LL-grafted cells (Graft 3) form myotome fibers towards the posterior end of the axis. The probability of PSM (Graft 1), ULL (Graft 2), and LL (Graft 3) cells that give rise to myotome fibers at specific regions along the anteroposterior (E) and dorsoventral (F) axes are shown.