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Mech Dev. 2001 Jul;105(1-2):69-77.

Pattern formation in the lateral line of zebrafish.

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Laboratoire de Neurogénétique, INSERM E-0012, Université Montpellier II, cc103 Place Eugène Bataillon, F-34095 Cedex 5, Montpellier, France.


The lateral line of fish and amphibians is a sensory system that comprises a number of individual sense organs, the neuromasts, arranged in a defined pattern on the surface of the body. A conspicuous part of the system is a line of organs that extends along each flank (and which gave the system its name). At the end of zebrafish embryogenesis, this line comprises 7-8 neuromasts regularly spaced between the ear and the tip of the tail. The neuromasts are deposited by a migrating primordium that originates from the otic region. Here, we follow the development of this pattern and show that heterogeneities within the migrating primordium prefigure neuromast formation.

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