organism: Mus musculus
attributes.tag: source_name
attributes.value: E17.5 Mutant female lung
attributes.tag: strain background
attributes.value: C57BL
attributes.tag: developmental stage
attributes.value: E17.5
attributes.tag: gender
attributes.value: female
attributes.tag: genotype/variation
attributes.value: expressing the constitutive active form of the Tgf-b receptor 1
attributes.tag: tissue
attributes.value: whole embryonic lung