“老年退行性心脏瓣膜病”的概念、定义、翻译、参考文献-科学参考

单词	老年退行性心脏瓣膜病
释义	老年退行性心脏瓣膜病 Encyclopedia 医学循环系统疾病释 senile degenerated heart valvular disease, SDHVD老年退行性心脏瓣膜病随着年龄的增长，原本正常或轻度异常的心脏瓣膜发生退行性病变及纤维化，使瓣膜增厚、变硬、变形及钙盐沉积，导致瓣膜狭窄和（或）关闭不全的现象。又称老年钙化性心脏瓣膜病。
随便看	left-handed material left handed materials left-handed materials left-handed muon left-handed polarization left-handed polarization, levopolarization left handed polarized waves left-handed polarized waves left-handed reference frame left-handed rotation left-handed system left handed transmission line left-handed transmission line left-handed trihedral left-handed upper continuous left-hand inclusion left-hand lower derivative left-hand lower limit left-hand parenthesis left-hand rule left-hand side left hand spinors left-hand upper derivative left-hand upper limit left hereditary ring

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