Figure 5

Alpha-smooth muscle actin (ASMA) expression in normal fetal liver. Second layer cells around the centrolobular vein express ASMA, but not endothelial cells (arrows) (23 WD).
Alpha-smooth muscle actin (ASMA) expression in normal fetal liver. Second layer cells around the centrolobular vein express ASMA, but not endothelial cells (arrows) (23 WD).