单词	hydralazine
释义	hydralazine noun hy·​dral·​azine hī-ˈdra-lə-ˌzēn  : a vasodilator C8H8N4 used in the form of its hydrochloride to treat hypertension Example Sentences Recent Examples on the Web The primary recommended drugs – considered safe for pregnant and recently delivered moms – are both delivered by IV: labetalol and hydralazine. Cara Kelly, USA TODAY, 27 July 2018 Word History Etymology hydr- + phthalic (acid) + azine First Known Use 1952, in the meaning defined above Medical Definition hydralazine noun hy·​dral·​azine hī-ˈdral-ə-ˌzēn  : an antihypertensive drug that is used in the form of its hydrochloride C8H8N4·HCl and produces peripheral arteriolar dilation by relaxing vascular smooth muscle
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