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β-catenin Signaling and Axis Specification

This animation provides a representation of the β-catenin signaling pathway in response to fertilization and the process of axis specification that occurs early in development. The process shown is based on analysis of embryos of the amphibian Xenopus. This animation would be useful in illustrating events that occur early in embryogenesis and how embryos become polarized as a consequence of localized signaling processes.