Cover image: A revised fate map of the cephalochordate amphioxus at the late blastula stage. Yellow indicates the future endoderm, red indicates presumptive somitic mesoderm, orange indicates the presumptive notochord, blue indicates the future non-neural ectoderm, and red indicates presumptive neuroectoderm. The animal pole indicated by the second polar body is at the top. Submitted by Linda Z. Holland and Nicholas D. Holland, "A revised fate map for amphioxus and the evolution of axial patterning in chordates."
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