Figure 25From: Immunohistochemical study of the phenotypic change of the mesenchymal cells during portal tract maturation in normal and fibrous (ductal plate malformation) fetal liverAlpha-smooth muscle actin (ASMA) expression in a case of autosomal recessive polycystic kidney disease. As expected, vessels wall cells express ASMA. Abnormal bile ducts are surrounded by ASMA positive stromal cells (22 WD).Back to article page