“magnetic resonance angiography，MRA”的概念、定义、翻译、参考文献-科学参考

单词	magnetic resonance angiography，MRA
释义	magnetic resonance angiography，MRA Encyclopedia 医学磁共振血管成像释 magnetic resonance angiography，MRA磁共振血管成像根据血液的物理、生化特性，结合恰当的脉冲序列和相关技术，使用或不使用顺磁性对比剂，使血流以高信号或低信号方式突显，血管结构与周围组织（背景组织）产生最大的影像对比度的一种非创伤性血管成像技术。
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