attributes.tag: tissue
attributes.value: skeletal muscle_11
attributes.tag: cell_line
attributes.value: C2C12
attributes.tag: collected_by
attributes.value: ATCC
attributes.tag: collection_date
attributes.value: not collected
attributes.tag: culture_collection
attributes.value: not collected
attributes.tag: sample_type
attributes.value: cell culture
attributes.tag: age
attributes.value: missing
attributes.tag: breed
attributes.value: missing
attributes.tag: cultivar
attributes.value: missing
attributes.tag: dev_stage
attributes.value: missing
attributes.tag: ecotype
attributes.value: missing
attributes.tag: isolate
attributes.value: missing
attributes.tag: sex
attributes.value: missing
attributes.tag: strain
attributes.value: missing
attributes.tag: BioSampleModel
attributes.value: Model organism or animal