Figure 4From: Selective segregation of DNA strands persists in long label retaining mammary cells during pregnancyLRC in blood vessels are CD31 positive. Sections from all experimental groups were stained for the endothelial marker CD31 (brown). LRC (blue, 5BrdU) in blood vessels are also CD31 positive. Scale bars = 10 μm. 5BrdU, 5-bromodeoxyuridine; LRC, label-retaining cell.Back to article page