The cerebral cortex can initiate erection in the absence of direct mechanical stimulation in response to visual, auditory, olfactory, imagined, or tactile stimuli acting through erectile centers in the lumbar and sacral regions of the spinal cord. This page was last edited on 31 October , at The cortex may suppress erection, even in the presence of mechanical stimulation, as may other psychological, emotional, and environmental factors. Look up penis in Wiktionary, the free dictionary. This may cause physical and psychological effects for the affected individual, which could include erectile dysfunction or pain during an erection. Penile erection is the result of a complex interaction of psychological, neural, vascular, and endocrine factors, and is often associated with sexual arousal or sexual attraction , although erections can also be spontaneous. From Wikipedia, the free encyclopedia.
Erectile dysfunction can occur due to both physiological and psychological reasons, most of which are amenable to treatment. We appreciate your assistance and will use this information to improve our service to you. The arteries dilate causing the corpora cavernosa of the penis and to a lesser extent the corpora spongiosa to fill with blood ; simultaneously the ischiocavernosus and bulbospongiosus muscles compress the veins of the corpora cavernosa restricting the egress and circulation of this blood.
Look up penis in Wiktionary, the free dictionary.
ERECT MALE NUDISTS
Retrieved 5 December Current Therapy in Equine Reproduction. The following table shows how common various erection angles are for a standing male. Views Read View source View history. Please try again later. Name contains invalid characters.