Sexual arousal - Wikipedia
WebSexual arousal can come from porn or other sexual material. The potential stimuli for sexual arousal vary from person to person, and from one time to another, as does the level of arousal. Stimuli can be classified according to the sense involved: somatosensory (touch), visual, and olfactory (scent).
Penile Erection: Function, Duration & How It Works - Cleveland Clinic
WebErection. An erection is when a penis hardens and enlarges due to filling up with blood. Erections typically occur when a person with a penis is sexually aroused, but it can happen spontaneously. What is an erection? An erection is when your penis becomes hard and enlarged from an increase in blood flow.
Normal male sexual function: emphasis on orgasm and ejaculation
WebDuring sexual arousal, NO is released from cavernous nerve terminals through the action of neuronal NO synthase . The NO activates guanylate cyclase, which in turn converts guanosine triphosphate to cyclic guanosine monophosphate (15, 17), leading eventually to smooth muscle relaxation and vasodilation .
26.4A: Male Sexual Response - Medicine LibreTexts
Weberection: The physiological process by which a penis becomes engorged with blood. sexual arousal: Changes that occur during or in anticipation of sexual activity. refractory period: The period after excitation, during which a membrane recovers its polarization and is not able to respond to a second stimulus.
How Erections Work, Ejaculation, and Penis Anatomy Image - WebMD
WebMay 2, 2023 · When the inflow of blood stops and the veins open, your penis becomes soft. What Is Ejaculation? When you're aroused, tubes called the vas deferens squeeze sperm from the testes toward the back of ...
Neurophysiology of male sexual arousal—Behavioral perspective
WebJan 24, 2024 · We propose to define male sexual arousal as a set of autonomic nervous system (ANS) reactions triggered by specific sensory inputs, analyzed on different levels of CNS, leading to the occurrence of penile erection and potentially ejaculation.
Anatomy and Physiology of Erection, Ejaculation, and Orgasm
WebThe arousal stage continues to the threshold of orgasm. Changes seen during the desire stage are intensified. Breathing, heart rate, and blood pressure continue to increase, and muscle spasms begin in the face, hands, and feet. …
Physiology of Penile Erection and Pathophysiology of Erectile ...
WebSexual stimulation triggers release of neurotransmitters from the cavernous nerve terminals. This results in relaxation of these smooth muscles and the following events: Dilatation of the arterioles and arteries by increased blood flow in both the diastolic and the systolic phases. Trapping of the incoming blood by the expanding sinusoids.
Neuroanatomy and function of human sexual behavior: A …
WebSep 30, 2019 · In males, physiological sexual arousal begins with an erection, which is a reflexogenic event driven by sensorial signals conveyed by dorsal nerve of the penis after stimulation of free nerve endings situated along the penis and glans.
Physiology of Erection and Pathophysiology of ... - Urologic …
WebErectile dysfunction. Pathophysiology. Impotence. Key points. Introduction. The complex pathway from sexual arousal to penile erection has been elucidated in great detail. Advances in neuroimaging have delineated the cortical …
Skip to content