organism: Mus musculus
attributes.tag: strain
attributes.value: 129/Sv
attributes.tag: age
attributes.value: missing
attributes.tag: collection_date
attributes.value: 2022-03
attributes.tag: geo_loc_name
attributes.value: Sweden: ScilifeLab, Solna
attributes.tag: sex
attributes.value: male
attributes.tag: tissue
attributes.value: Embryo; Inner cell mass
attributes.tag: cell_type
attributes.value: Embryonic Stem Cell
attributes.tag: phenotype
attributes.value: Control
attributes.tag: BioSampleModel
attributes.value: Model organism or animal