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sildenafil

 - 3 dictionary results
sil·den·a·fil   (sĭl-děn'ə-fĭl)   
n.  A drug, C22H30N6O4S, used to treat sexual dysfunction by increasing the level of cyclic GMP, which increases blood flow to erectile tissues.

[Perhaps alteration of s(ulfon)yl + (pyrimi)dine + ph(en)yl.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: sil·den·a·fil
Pronunciation: sil-'den-&-"fil
Function: noun
: a drug that is used in the form of its citrateC22H30N6O4S to treat erectile dysfunction in males, that by suppressing a phosphodiesterase enzyme also suppresses the enzyme's inhibitory effect on thehormone cyclic GMP, and that enables the cyclic GMP produced during sexual arousal to initiate the muscular and vascular changes which produce an erection —see VIAGRA
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

sildenafil sil·den·a·fil (sĭl-děn'ə-fĭl)
n.
A drug used to treat sexual dysfunction by increasing the level of cyclic GMP, which increases blood flow to erectile tissues.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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