Amphibian Embryology Tutorial Save
Glossary and graphical illustration of oogenesis, cleavage, gastrulation and neuraltion, primarily in Ambystoma and Xenopus, from the University of Wisconsin, Madison.
http://worms.zoology.wisc.edu/frogs/m...   

Xenbase Save
Collection of information on early amphibian development, methods including immunohistochemistry, in situ hybridization, molecular markers, based on Xenopus, as part of the WWW Virtual Library.
http://www.xenbase.org/   

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