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Nature 424, 379-381 (24 July 2003) | doi:10.1038/424379a

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Developmental biology: Boundary lines

Seth S. Blair1

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Embryonic development is a complicated business, as a recent meeting bore witness. The signals generated at the boundaries between compartments were a key topic of discussion.

During development, multicellular organisms generate a complex and precisely patterned set of tissues from much simpler precursors. The mechanisms that accomplish this feat are diverse and, in many cases, still unknown.

  1. Department of Zoology, University of Wisconsin, 250 North Mills Street, Madison, Wisconsin 53706, USA.
    Email: ssblair@wisc.edu