CellVolume 96, Issue 2, 22 January 1999, Pages 225-233ReviewMorphogenesisAuthor links open overlay panelBrigid L.M Hogan 1Show moreShareCitehttps://doi.org/10.1016/S0092-8674(00)80562-0Get rights and contentUnder an Elsevier user licenseopen archivePrevious article in issueNext article in issueRecommended articlesCited by (0)Copyright © 1999 Cell Press. All rights reserved.