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pulmonary valve annulus
anat.
肺动脉瓣环
(位于肺动脉口周缘,由3个半环形纤维束连接形成,有肺动脉瓣附着)
;
主动脉瓣环
(位于主动脉口周缘,由3个半环形纤维束连接形成。有主动脉瓣附着)
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