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肺动脉平滑肌细胞（pulmonary artery smoothmusclecells,PASMCs）在肺动脉高压形成中所起的作用越来越受到重视。由于阻力性肺动脉管径小、管壁薄,使得
Pulmonary artery smooth muscle cells (PASMCs) play a more and more important role in the formation of pulmonary hypertension. Due to the resistance of small pulmonary artery diameter, wall thin, making