Concepedia

Evidence for an Expansion-Based Temporal Shh Gradient in Specifying Vertebrate Digit Identities

Brian D. Harfe, Paul Scherz, Sahar Nissim, Hua Tian, Andrew P. McMahon, Clifford J. Tabin

Cell · 2004 · 1K citations · 40 references

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References

40

A series of normal stages in the development of the chick embryo

Viktor Hamburger, Howard L. Hamilton · Journal of Morphology · 1951 · 12.4K citations

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Positional information and the spatial pattern of cellular differentiation

Lewis Wolpert · Journal of Theoretical Biology · 1969 · 3.1K citations

, , +16

Sonic hedgehog mediates the polarizing activity of the ZPA

Robert D. Riddle, Randy L. Johnson, Ed Laufer et al. · Cell · 1993 · 2.3K citations

, , +10

Epithelial-Mesenchymal Interactions

Raúl Fleischmajer · Science · 1967 · 1.2K citations

The bicoid protein determines position in the Drosophila embryo in a concentration-dependent manner

Wolfgang Driever, Christiane Nüsslein‐Volhard · Cell · 1988 · 1.1K citations

, , +10