While all skeletal muscles expressed the gene , only a subset of myocytes within each muscle were positive , indicating molecular heterogeneity within fetal muscle .
while all skeletal muscles expressed the gene , only a subset of myocytes within each muscle were positive , indicating molecular heterogeneity within fetal muscle .
O O O O O O O O O O O O O O O O O O O O B-other_name I-other_name O B-tissue I-tissue O