Mitas米塔斯MITabbr.麻州理工大学(美)(=Massachusetts Institute of Technology)Mitral valve stenosi二尖瓣狭窄mitochondrial tubule线粒体管mitochondrial sheath线粒体鞘mitochondrial enzyme线粒体酶mitral valve dilator二尖瓣瓣膜扩张器mitigation of damage[经] 减轻损失mitral valve atresia二尖瓣闭锁mitochondrial crista线粒体嵴mitral opening click二尖瓣开放喀喇音Mitral valve orifice二尖瓣口