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Nature 424, 375-376 (24 July 2003) | doi:10.1038/424375a

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Developmental biology: A tale of tails

Christof Niehrs1

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Developing organisms still hold many surprises for biologists. For instance, an entirely new 'organizer' — a clump of cells that tells other cells what to do — has been discovered at a very early stage of zebrafish development.

The vertebrate tail is a somewhat neglected organ. Protruding from the rear, it does not, at first glance, seem to serve much purpose other than to chase off flies on cows and horses.

  1. Division of Molecular Embryology, Deutsches Krebsforschungszentrum, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany.
    Email: niehrs@dkfz-heidelberg.de