Figure 6. Signalling pathways in placode formation.

Figure 6Signalling pathways in placode formation.

The diagram summarises the signalling pathways that have been implicated in the specification of the pre-placodal region and in the induction of placodes from the pre-placodal region. Note: the pre-placodal region is initially specified as lens.

From: The cranial sensory nervous system: specification of sensory progenitors and placodes

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Copyright: © 2008 Andrea Streit.

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