%0 Journal Article %T Fisiolog¨ªa de la erecci¨®n %A Mart¨ªnez-Salamanca %A Juan I. %A Mart¨ªnez-Ballesteros %A Claudio %A Portillo %A Luis %A Gabancho %A Sonia %A Moncada %A Ignacio %A Carballido %A Joaqu¨ªn %J Archivos Espa£¿oles de Urolog¨ªa (Ed. impresa) %D 2010 %I Scientific Electronic Library Online %R 10.4321/S0004-06142010000800003 %X in these article we review the main mechanisms involved in human erection. we review and update in detail the biochemical (nitric oxide and rhokinase pathways), cellular (smooth muscle relaxation mechanisms), neural (autonomic and somatic pathways) and microscopic penile principles. %K erectile dysfunction %K erection %K relaxation %K contraction %K stimulation %K cavernosal smooth muscle. %U http://scielo.isciii.es/scielo.php?script=sci_abstract&pid=S0004-06142010000800003&lng=en&nrm=iso&tlng=en