title: con AC st12 #4
organism: Xenopus laevis
attributes.tag: source_name
attributes.value: animal caps cut at st9 and cultured until st12; control for FGF8 AC st12, Xnr2 AC st12 and Wnt8 Xnr2 AC st12.
attributes.tag: strain
attributes.value: Nasco
attributes.tag: tissue
attributes.value: animal caps
attributes.tag: developmental stage
attributes.value: embryo, stage 12