这个词是什么意思？
Pathological process resulting in the fibrous obstruction of the small- and medium-sized PULMONARY VEINS and PULMONARY HYPERTENSION. Veno-occlusion can arise from fibrous proliferation of the VASCULAR INTIMA and VASCULAR MEDIA; THROMBOSIS; or a combination of both.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D011668 · MeSH 2026。
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