Fig. 4From: Effects and molecular mechanisms of intrauterine infection/inflammation on lung developmentHE Staining for the lungs of fetal rats. Infiltration, less alveolar numbers and thickened alveolar septa of the fetal lung in response to pregnant rat E. coli exposure (× 100). a: intrauterine infection group at E17; b: Control at E17; c: intrauterine infection group at E19; d: Control at E19; e: intrauterine infection group at E21; f: Control at E21Back to article page