attributes.tag: strain
attributes.value: 129S4/SvJae
attributes.tag: isolate
attributes.value: Inner cell mass
attributes.tag: breed
attributes.value: male agouti
attributes.tag: cultivar
attributes.value: 129S4/SvJae
attributes.tag: ecotype
attributes.value: Embryo
attributes.tag: age
attributes.value: Embryo, blastocyst
attributes.tag: sex
attributes.value: male
attributes.tag: tissue
attributes.value: Inner cell mass
attributes.tag: cell_type
attributes.value: embryonic stem cell
attributes.tag: BioSampleModel
attributes.value: Model organism or animal