attributes.tag: strain
attributes.value: C57BL/6
attributes.tag: cultivar
attributes.value: not applicable
attributes.tag: ecotype
attributes.value: not applicable
attributes.tag: age
attributes.value: 8-12 weeks
attributes.tag: dev_stage
attributes.value: not applicable
attributes.tag: sex
attributes.value: male
attributes.tag: tissue
attributes.value: Spleen
attributes.tag: cell_subtype
attributes.value: CD138int FO B cell
attributes.tag: cell_type
attributes.value: B cell
attributes.tag: genotype
attributes.value: wild type
attributes.tag: BioSampleModel
attributes.value: Model organism or animal