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).
Erection - Wikipedia
WebAn erection occurs when two tubular structures, called the corpora cavernosa, that run the length of the penis, become engorged with venous blood. This may result from any of various physiological stimuli, also known as sexual stimulation and sexual arousal.
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...
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 .
Penile Erection: Function, Duration & How It Works - Cleveland Clinic
WebPeople most often associate erections with sex. But erections can happen without any sexual activity or when you’re asleep. Here are the three types of erections: Reflexogenic erections happen when something touches your genitals and triggers arousal.
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.
Neurophysiology of male sexual arousal—Behavioral perspective
WebJan 24, 2024 · Neuronal structures such as the amygdala, bed nucleus of stria terminalis, hypothalamus, nucleus raphe, periaqueductal gray, and nucleus paragigantocellularis play crucial roles in controlling the level of arousal and regulating peripheral responses via specific autonomic effectors.
Neuroanatomy and function of human sexual behavior: A …
WebSep 30, 2019 · Abstract. Introduction. Sexual desire, arousal, and orgasm are mediated by complex, yet still not fully understood, interactions of the somatic and autonomic nervous systems operating at the central and peripheral levels.
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 …
Erection | Penile Anatomy, Neurotransmitters & Hormones
WebArticle History. male reproductive organs. Also called: Penile Erection. Related Topics: penis. sexual response cycle. erection, enlargement, hardening, and elevation of the male reproductive organ, the penis. Internally, the penis has three long masses of cylindrical tissue, known as erectile tissue, that are bound together by fibrous tissue.
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