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During intimate arousal, azotic oxide (NO) is discharged from nervus
terminals and endothelial cells in the principal cavernosum.
NO activates guanylate cyclase to commute guanosine triphosphate (GTP) into cyclical deoxyguanosine
monophosphate (cGMP), triggering a cGMP-dependant cascade of events.
The accumulation of cGMP leads to smooth-musculus easiness
in the corpus cavernosum and increased ancestry menstruation to the member. https://www.lm360.us/