Figure 7From: Angiogenic, hyperpermeability and vasodilator network in utero-placental units along pregnancy in the guinea-pig (Cavia porcellus)Spiral arteries observed in sequential sections of myometrium obtained in days 30, 45 and 60 of pregnancy. Cytokeratin positive trophoblasts expressed VEGF. The remaining vascular smooth muscle layers were positive for muscle actin (MA), and have been almost replaced in day 60. Bar = 100 μm.Back to article page