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Medical Term:

sildenafil

Pronunciation: sil-den'a-fil

Definition: A selective inhibitor of cGMP-specific phosphodiesterase type 5 (PDE5); relaxes the muscle in the penis, resulting in greater blood flow and erection; used to treat male impotence; potentiates the hypotensive effects of nitrates.

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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