sildenafil

n. 西地那非; [医]昔多芬, 一氧化氮样药物, 商品名Viagra（伟哥）

发音

/sɪlˈdɛn.ə.fɪl/

词形变化

sildenafils 复数 sildenafils

释义与例句

n.
  1. 1.

    A drug that is used in the form of its citrate C₂₂H₃₀N₆O₄S·C₆H₈O₇ to treat erectile dysfunction in males, that by suppressing a phosphodiesterase enzyme also suppresses the enzyme's inhibitory effect on the hormone cyclic GMP, and that enables the cyclic GMP produced during sexual arousal to initiate the muscular and vascular changes which produce an erection. It is marketed under the trademarks Revatio and Viagra.

    西地那非

    不可数 医学

词汇关系

名词

同义词 2

viagra sildenafil citrate

相关短语

sildenafil citrate [医]枸橼酸西地那非<血管扩张药>

词源

Probably from s(ulfon)yl + -dena- (“alteration of (pyrimi)dine”) + ph(en)yl.

来源：wiktionary