Figure 8From: Molecular physiopathogenetic mechanisms and development of new potential therapeutic strategies in persistent pulmonary hypertension of the newborn Pulmonary arteriole from a 11-day-old infant who died from severe perinatal asphyxia. Marked thickening of medial muscle mass is evident (PAS-Gieson stains). From Distefano G et al. [12] Med Surg Ped 1992. (Personal observation).Back to article page