Shh expression in developing and regener
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Tetsuya Endo; Hitoshi Yokoyama; Koji Tamura; Hiroyuki Ide
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Article
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1997
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John Wiley and Sons
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English
β 180 KB
π 2 views
The zone of polarizing activity (ZPA) is a specialized region involved in the antero-posterior (A-P) axis formation in chick and mouse limb buds. The existence of ZPA in the posterior margin is suggested in Xenopus hindlimb buds because 180Β°rotation of the distal limb tip induces the supernumerary l