الفهرس 
NEUROPEPTIDES AND IMPOTENCEOnly 14 pages are availabe for public view
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Abstract
Male erectile dysfunction is a problem and it seems that its
incidence is increasing in our d-ays. Although a great progress
has occur red in the understanding of the physiology of
erection, diagnosis of impotence and its line of therapy but still
this problem needs fin-Iiier research to establish specific lines
without complications.
Papaverine either alone or wiLh phentolamine are
commonly used for diagnosis and irealmeni of impotence but
uui \vi(honi compiications. Priapism and fibrosis of the
caveiiioi-is lissue aie some of these complications (Virag et al.,
1982).
Piostai’.landin El proved to be more safer than papaverine
in these purposes but it is an invasive techniques (Stackl et al.,
•^
.<: Allia and Al-Ghoneimi, 1992).
I-ocallv aj-’i’ilied vasodilalois if proved to give erection
inni^ 01 less similar in tlie i n j eclat-lie drm.’.s wili be more
convenient and easily used by tlie palicnl (Cavallim, 1991).
Niti-oglyceiiiie is ra[)idly absorbed after topical application
.md acts as a vasodilator drug through being similar to nitric
oxide v.hich is an endothelium-derived relaxiny, factor. This