title: Tracing morphogenetic movements by means of labelled cells.
abstract: A technique involving the use of labelled grafts, detectable by autoradiographs, is proposed for mapping embryonic presumptive areas and cell migrations. It permits identification of isolated graft cells. It has been applied to reinvestigate the localization of presumptive endoderm in early gastrulae ofXenopus, originally described byNIEUWKOOP andFLORSCHUTZ.
authors.affiliation: Institute of Animal Genetics, University of Edinburgh, Scotland.
authors.forename: J L
authors.initials: JL
authors.lastname: Sirlin