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Curr Opin Neurobiol. 1996 Feb;6(1):41-8.

Patterning the hindbrain.

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Department of Developmental Neurobiology, UMDS, Guy's Hospital, London, UK.


Of paramount importance for hindbrain patterning is positional information that is laid down along the rostrocaudal axis. Recent findings suggest that retinoic acid may establish rostrocaudal domains of gene expression that confer on rhombomeres their specific identities; these domains display different responses to dorsoventral signals that further refine the repertoire of cellular fates therein. After rhombomere boundaries form, a high degree of segmental autonomy is balanced by a continuing capacity for interaction along the rostrocaudal axis, exemplified by the generation of the neural crest.

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