Instability of the epithelial-mesenchymal interaction in the eight-day embryonic chick thyroid.
D000818:Animals; D002454:Cell Differentiation; D002462:Cell Membrane; D002642:Chick Embryo / Q000254:growth & development*; D004847:Epithelial Cells; D005865:Gestational Age; D009924:Organ Culture Techniques; D013961:Thyroid Gland / Q000166:cytology / Q000196:embryology*