XB-IMG-77752
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FiG. 4. Autonomous differentiation of embryo fragments. Stage 12.5 embryos were cut into three equal-sized fragments along the a-p axis and cultured until control embryos reached tadpole stages. (A) anterior one-third pieces all developed eyes, cement glands, and hearts. (B) middle one-third pieces all gave rise to somites and dorsal fin. Three of the explants developed rudimentary eyes indicating that specification of the a axis is Incomplete at this stage. (C) posterior one-third pieces all developed as tails, although some were small.
Image published in: Godsave S et al. (1994) Copyright © 1994. Image reproduced with permission of the Publisher, Elsevier B. V. Larger Image Printer Friendly View |