Sexual arousal causes various physical responses, most significantly in the sex organs (genital organs). Sexual arousal for a man is usually indicated by the swelling and erection of the penis when blood fills the corpus cavernosum. This is usually the most prominent and reliable sign of sexual arousal in males.
The penis may erect during sleep or be erect on waking up. Such an erection is medically known as nocturnal penile tumescence (informally: morning wood or morning glory).. Socio-sexual aspects Social. Erection is a common indicator of sexual arousal and is required for a male to effect vaginal penetration and sexual intercourse.. Erections are common for children and infants, and even occur MeSH: D010410.
Anatomy of the Penis, Mechanics of Intercourse. Intact adult penis: This illustration represents an average normal adult human penis. The head of the penis (glans) has a covering, called the foreskin (prepuce). Stimulation of the frenulum and ridged band results in .
The process of arousal can be inhibited or quashed entirely if you are feeling anxious or distracted or if you have other things on your mind. You may also have trouble experiencing arousal is you are feeling fatigued. In fact, the most common causes of struggles with sexual arousal are psychological in nature.