It’s really bothering me, it has happened at least 10 times, and it really bothers me. When something’s wrong with your penis, you’ll want to get care right away. The sooner you see a provider about your penile disorder symptoms, the sooner you can get a proper diagnosis and feel better. But for most conditions, seeing a healthcare provider as soon as possible is essential. Treatments exist for most penile disorders. Changes in penis performance or appearance may signal heart issues, diabetes and more A variety of factors can cause temporary or more lasting changes in penis length Priapism can result in tissue damage or deformation of the penis if left unchecked. Another type of ED is priapism, an erection lasting more than four hours. What are the symptoms of penile diseases? Premature ejaculation was defined as the man 'usually ( % of the time) has had his orgasm within 2 -3 minutes after insertion'. The women completing the surveys were aware that their responses and comments could later be published anonymously in a forthcoming book. In the male rat, removal of the penile sheath markedly interferes with normal penile reflexes and copulation. Adjusting your diet to focus on plant-based, whole foods may improve erectile function The list includes eating a healthier diet, managing your weight and reducing stress What are the symptoms of erectile dysfunction? Just bear in mind that young people often have not seen a lot of genitals, so it’s all going to be pretty new most of the time. Young people of all genders often express worry that partners of other genders will think their genitals are weird or unusual. A curve in your penis that isn’t physically painful with erection isn’t a problem, and it’s nothing you need to worry about changing. If it doesn’t hurt when you have an erection, or curvature isn’t something you seem to develop over time after never having had a curve before, then there’s no reason to believe that whatever your curve is, it isn’t normal and healthy. Erectile Tissues Alcohol is the world’s leading cause of sexual impairment. Other studies show that diabetes is a major risk factor for ED, and that a healthy lifestyle prevents the disease and can restore erection function. Exercise keeps the cardiovascular system pumping blood into the penis. This sex ritual means my wife and I never wake up horny after a night out Because cigarettes contain a lot of chemicals which have no business being inside the human body. Nicotine use increases the risk of several cancers, heart disease, heart attack, stroke, damaged blood vessels, pneumonia, COPD and many other conditions. Erectile dysfunction can also become more severe if these types of drugs are misused over long periods of time. For example, drugs like cocaine and speed which induce a stimulating effect in the brain can also cause the blood vessels to narrow and become too constricted. Drinking alcohol also carries risks, especially if you drink too much over time. If you continue to have a hard time getting hard, you should talk to a doctor for erectile dysfunction treatment.Whether it’s due to age, medical conditions, or stress, it’s essential to remember that you’re not alone in this journey.Pycnogenol is a compound found in the French maritime pine (Pinus pinaster), which grows in southern Canada.Before penis growth starts, you’ll usually have both a growth spurt in terms of your height, as well as testicle growth.“Having an erection is super important for using a condom properly, so that it doesn’t fall off.”The conversation flows as easily as the prosecco, and it’s not long before we find ourselves on deeper topics.Contrary to popular perception, the ability to achieve and maintain a strong erection goes beyond bedroom performance. The brain has an automatic penis maintenance function built in. Sensitivity, pleasure, size, and other surprising facts. You should always contact your doctor or other qualified healthcare professional before starting, changing, or stopping any kind of health treatment. The content of this article is not intended to be a substitute for professional medical advice, examination, diagnosis, or treatment. National Institutes of Health Go to source ED has both physiological and psychological causes, and many of these can be addressed through natural lifestyle changes and/or a more relaxed approach to sex. Management and Treatment When we haven’t seen anything before, the first time we see it, we’re more likely to assume something is normal than we are that it’s unusual. I also thought that during sex, it would hurt a lot to put the penis in the vagina, because it would be pulled back so much… help!? During masturbation, I have to avoid the area or it hurts, and I never enjoy sex because it’s always painful. As a result, this has been hypothesized to inadvertently lead to greater incidence of HIV and STIs (Herbenick & Reece, 2006; Reece et al., 2007; 2008). These data highlight the need to better understand the real individual-level consequences of living in a penis-centered society. There is no professional consensus as to performing penile lengthening techniques below a certain measure. In the case of micropenis, it is important to note that the numerical value varies across countries although some may show the same. Variability is reflected in the different results since some obtained positive associations between penile and anthropometric measures and others did not. The sensory innervation to the penis comes from a terminal branch of the pudendal nerve; the dorsal nerve of penis. This artery enters the penis via Alcock’s canal after which it divides into the perineal and common penile arteries. The corpus spongiosum features a distal bulbous expansion at the end of the penile shaft as well, which forms the glans penis. The finding suggests that women’s preferences could have fuelled the evolution of the human male penis, which is longer and thicker than that of any other primate. A new study reveals diminishing returns in the attractiveness to females of larger-than-average genitalia This is what I think of as ‘hyperection’ – a penis that jumps up so often it may as well be a basketball player. He gets an erection every time he sees, hears or smells a woman. This sample does, however, give a very comprehensive picture about the types of individuals that attend large scale GLB events, and comprise a considerable (and accessible) portion of the gay, bisexual, and MSM communities in New York City. This forces the semen out of the penis as you climax. It can occur if scar tissue forms in the penis, which pulls on tissues, causing the shaft to bend. If you have an erection that lasts longer than 4 hours, go to an emergency room. Priapism can be painful, damage tissues, and even disfigure your penis. You may develop priapism during sex, but it can also be caused by some drugs. If this is correct, then Masters and Johnson are wrong about penis size being unrelated, physiologically, to female sexual satisfaction. Masters and Johnson 1,2 have said that penis size should have no physiological effect on female sexual enjoyment, since the vagina adapts to fit the size of the penis. Implications are discussed, including the fact that the data seem to contradict Masters and Johnson about penis size having no physiological effect on female sexual satisfaction. Does the size of the male penis, in terms of length or width, make a difference in female sexual satisfaction? If you’re sexually active or are thinking about being sexually active, it’s super important to know information like the efficacy of condoms, the truth about blue balls, what erections mean, and so on. Hormones or genetics can prevent the penis from growing to a larger size. It’s estimated that only 0.6 percent of people in the world have a micropenis. Smaller flaccid penises do tend to lengthen more when they become hard compared to larger ones, but there’s still a lot of variation. In fact, half of men diagnosed with diabetes experience erectile dysfunction within 10 years of their diagnosis. Believe it or not, erectile dysfunction can be a symptom of diabetes. This curve can impact your erections, which is another element that can be evaluated and treated. If it’s painful or bothers you, then make an appointment with a men's health doctor. Some men have a slightly curved penis that has been present for quite some time. This hardens the penis, and if a man orgasms, ejaculation (or semen) is released. When a guy gets turned on but doesn’t come, he can sometimes feel an ache in his testicles that’s referred to as blue balls. As Snyder puts it, “Good sex takes you somewhere special and makes you feel really good about yourself. “Most penis owners find it to be pleasurable,” says Phillips. A partner can use their finger, dildo, or a vibrator.” Make sure, however, to use lube and go slowly, especially if you’re new to anal play. We used a centimeter, as it can provide more accuracy in some cases (penile circumference) and we took all measurements under the same environmental conditions. For an average 14-cm estimate (based on a previous exploratory study) with a 95% confidence interval (CI) between 13.82 cm and 14.17 cm, the inclusion of 800 patients was deemed necessary. Patients with congenital or acquired anomalies of the penis, such as Peyronie’s disease, partial or total penectomies, penile prosthesis, urethral surgeries, severe phimosis, and those who did not consent to our research protocol were excluded. Sometimes asking questions about sex can be embarrassing—even for adults.And since people with penises often underestimate their own size, your concerns may not be warranted.No evidence of ceiling or floor effects in women’s choices indicating their largest and smallest sexual partner’s penis size.The little blue pill isn’t designed to increase libido or sex drive, clarifies Dr. Montague.All procedures performed in this study involving human participants were in accordance with the Declaration of Helsinki (as revised in 2013).The semirigid penile implant is bent upward for sex and toward the body for concealment under clothing.Regardless of what’s happening with your penis, you do still have hands and a mouth.It’s long been claimed that yoga benefits mental health and mood.Penile cancer is a rare type of cancer that most commonly starts on the head of your penis or foreskin. Most people wake up after or during REM sleep, meaning you’re more likely to wake up while you have an erection. That includes digestion, breathing, heartbeat, and sexual arousal. Get medical attention as quickly as possible to reduce your risk of long-term complications. Nearly all boys were reluctant to display erections or to discuss penis-type things with adults. Adults were rarely consulted by the boys to help them understand erectile sensations, including Buck whose first sexual memory was not one of clarity or exuberance, largely because of his mother’s reaction. Reality-oriented shows where women appeared in various stages of undress as other women ripped their clothes off and they talked about sexual matters; my mother “thought I liked the show because she did.” In my last post I argued straight men usually recalled romantic memories earlier than sexual memories, similar to men and women with same-sex attractions. He was experiencing urinary frequency and urgency as well as erectile dysfunction and had noticed a tender lump at the base of the penis. Medical Treatments for Erectile Dysfunction You might consider penile implants if you aren't a candidate for other treatments or you can't get an erection sufficient for sexual activity by using other methods. Penile implants are devices placed inside the penis to allow men with erectile dysfunction (ED) to get an erection. A sample of 105 heterosexual Australian women each viewed life-sized projections of 53 of the images and rated their sexual attractiveness. The study group comprised 40 ED patients (age range 23–58 years, mean 35.1±10.8 years) and 20 healthy age-matched normal controls (age range 25–58 years, mean 34.9±11.2 years). In this study, we explored using this method to quantitatively evaluate penile EH in ED patients and normal controls. Erectile dysfunction (ED) is one of the most common male sexual dysfunctions (1,2), with the Massachusetts Male Aging Study reporting an overall prevalence of 52% in non-institutionalized men aged 40–70 years (3). The tunica albuginea stiffness changed continuously during penile erection, which could be measured quantitatively by SWE. Because EH grades 1 and 2 clinically predicted failure to complete sexual intercourse, and EH grades 3 and 4 predicted ability, the cutoff point for the YM of the tunica albuginea to evaluate whether sexual intercourse could be completed was 81.60 kPa. Managing these conditions can help treat erectile dysfunction. Kegel exercises strengthen the muscles that keep blood in the penis while it is erect. Keeping these muscles strong is easy and may help reverse erectile dysfunction. Muscles keep blood from flowing out of the penis when it is erect. You need some musculature in the pelvic floor to maintain hard, long-lasting erections. (One high BP reading probably isn’t a big deal. But more than two to three elevated readings over time likely means you have high blood pressure.) In order to avoid this, Dr. Andino recommends getting a testosterone test with a licensed doctor who has experience in sexual medicine. Testosterone is the main hormone responsible for your sex drive, explains New York-based urologist and sex expert David Shusterman, M.D. If it plummets, your desire to get going in bed may, too. Consider whether you’d rather not discuss it and deal with a limp dick or confidently address any erectile dysfunction symptoms you may be experiencing with a professional and get it resolved. It can feel difficult and embarrassing to talk to your doctor about your sexual functions. What are the possible complications of surgery to repair penile fracture? Penis pain involves any pain or discomfort, internal or external, of the penis. Dermatitis appears as red, pruritic lesions, sometimes with weeping or fissures. Contact dermatitis of the penis may occur with the use of latex condoms. This slang term refers to the penis, often using vivid and descriptive language to create a humorous or playful tone.Because these findings are of interest, the negative effect of circumcision on the sexual enjoyment of the female partner needs to be part of any discussions providing 'informed consent' before circumcision.This may help explain why most men seeking surgical interventions for enlarging what they perceive to be a small penis actually have a penis that falls within a normal range .I don’t have a problem with sex it’s just blowjobs and it’s very annoying.They might also flush out the blood with a saline solution.The signals trigger an increase in blood flow through the arteries in the pelvis.An important indicator of penile erectile function is erection hardness (EH), which is currently evaluated by the semi-quantitative erectile hardness score (EHS).It’s more about the act for me – a sexual experience. The anxiety can add to erectile dysfunction. Your main healthcare professional is a good place to start when you have erectile issues. Problems getting or keeping an erection can be a sign of a health condition that needs treatment and a risk factor for heart disease. Unborn babies can get erections while they’re still in the uterus. Anyone with a penis, of any age, can get an erection while sleeping. Morning wood isn’t usually caused by sexual dreams. Many men are not fully satisfied with their erections. We can confirm that estimates of the average penile measurements in Argentina are flaccid penis length of 11.4 cm, penile circumference of 10.1 cm, and stretching the penis to the maximum in flaccidity of 15.2 cm. However, by using SWE, we observed for the first time that the stiffness of both the tunica and cavernosum changed during penile erection. ED is one of the most common types of male sexual dysfunction (1,2), and currently the EHS is the usual measurement tool for clinical evaluation of penile EH (7,19). When the inflow of blood stops and the veins open, your penis becomes soft. Your penis expands and holds the erection. Once blood is in the penis, pressure traps it within the corpora cavernosa. This photo shows squamous cell carcinoma in situ of the glans penis with a sharply demarcated, bright red, velvety plaque.They are separated by the septum of the penis, although often incompletely.It is produced by the accessory sex glands—the Cowper's gland, the glands of Littre, and the glands of Morgagni.It’s not that you’re disinterested in sex; it’s just that, for some physical or physiological reason, you just can’t get it up.“If you are the lover of someone who is not having an erection, positive reinforcement on other sexual things about them can be used for encouragement.”Hunter is particularly talented at giving oral sex, and I have to say, his pierced tongue plays a significant role in that.Tia was part of a team at the Milwaukee Journal Sentinel that published the Empty Cradles series on preterm births, which won multiple awards, including the 2012 Casey Medal for Meritorious Journalism.About 12% of penises gained one-third or less of their total length with an erection, and about 7% doubled in length when erect. In the current study, women’s ability to recall penis size was tested by match-to-sample recall, both immediately and after a delay of ten minutes. Women prefer more masculine partners for shorter-term sexual relationships . The context of the sexual relationship could influence penis size preferences. This term is a slang term used to refer to an erect penis. It implies that someone is able to become sexually aroused and physically erect. A chub or chubbie refers to a partial erection, where the penis is not fully erect but is still noticeably enlarged or firm. It is named after the idea that excessive alcohol consumption can impair sexual performance. Measurements in environments with different temperatures may lead to bias since cold affects penile length and manipulation of an awake patient as opposed to one under general anesthesia is different considering the discomfort or pain that the measurement can cause in the awake patient. The literature reviewed shows significant variability in the methodology used for penile measurement and the environmental conditions in which it is carried out. Correlations between flaccid and stretched penile length, circumference, height, BMI, age, weight, and left foot length were evaluated. Percentiles of penile parameters studied are summarized in Table 1 and represented in Figure 2. The superficial dorsal veins drain the superficial structures of the penis, such as the skin and cutaneous tissues. The cavernous spaces are drained by the deep dorsal vein of the penis – this empties into the prostatic venous plexus. Fig 4The penis with the prepuce retracted in order to reveal the glans. Table IV reports on the bivariate association between perceived penis size and measures of socio-psychological well being.The best way to recover from psychologically-induced ED is by talking to a mental health therapist about it.“That can cause real damage to the tissue of the penis.” The resulting injury can include painful bruising and swelling.In this column, she answers the question from a reader who has just hooked up with her first uncircumcised partner.This patient has a ring of pearly lesions along the corona of the glans (from left to lower right) consistent with pearly penile papules.It can happen either after or without any sexual arousal or stimulation. Certainly, this analysis did not address all aspects of sexual health, however its themes were intimately concerned with the associations between perceived penis size and a variety of health-related outcomes, thus we believe our manuscript captures the spirit of “sexual health.” With few exceptions (Bergling, 2007; Drummond & Filiault, 2007), there has been surprisingly little research among men who have sex with men (MSM) assessing the association between penis size and social-sexual health. While researchers have attempted to assess the average penis size for various groups of men (Bogaert & Hershberger, 1999; Ponchietti et al., 2001; Spyropoulos et al., 2002), there remains little research on how penis size effects an individual’s sense of satisfaction, self, and other sociosexual outcomes (Drummond & Filiault, 2007). Despite the fact that many men were unsatisfied with their penises, Lever et al. reported that 84% of women were very satisfied with the size of their partner’s penis size, and similar findings have been documented elsewhere (Stulhofer, 2006). Using data from the Body Image Survey, Lever et al. (2006) reported on 25,594 heterosexual men and 26,437 heterosexual women on attitudes and perceptions of penis size. By acknowledging and addressing the mental hurdles, individuals can enhance their overall sexual well-being and lead a fulfilled, confident life. Visualization exercises, where one imagines positive sexual experiences and outcomes, can also train the mind towards optimism. Understanding and supportive partners can provide a safety net, allowing for experimentation, patience, and growth. Honest and open communication with a partner can be a game-changer when dealing with erectile challenges. Ejaculation should feel pleasant, but some medical conditions and treatments can make it painful. In a 2023 study, researchers asked men with difficulty ejaculating what they felt caused them to experience the problem. And certain diseases, medical procedures, injuries, and birth defects can also prevent normal ejaculation. It is important that these findings be confirmed by a prospective study of a randomly selected population of women with experience with both types of men. This selection bias may be compensated to the degree that each respondent acted as her own control, using her subjective criteria on both types of penises. Some respondents reported that the foreskin improved their sexual satisfaction, which improved the quality of the relationship. When the penile shaft is withdrawn slightly from the vagina, the foreskin bunches up behind the corona in a manner that allows the tip of the foreskin which contains the highest density of fine-touch neuroreceptors in the penis1 to contact the corona of the glans which has the highest concentration of fine-touch receptors on the glans18. Know the symptoms and steps you can take to protect your penis health. Ongoing health issues affecting your penis also can affect other areas of your life. Madelyn Esposito-Smith, LPC, NCC, CST, certified sex therapist and mental health clinician, UW Health, Madison, WI. Eric Garrison, MAEd, MSc, DipLSHTM, CSCS, ACS, FRSPH, chair of certification, AASECT; certified sexuality counselor, Tidewater, VA. Tameca Harris-Jackson, PhD, certified sexuality educator, Winter Park, FL. Furthermore, foods like dark chocolate contain flavonoids known to boost blood circulation. Foods rich in antioxidants, for instance, help combat oxidative stress, which can damage blood vessels. The foods we consume can have a direct and indirect impact on erection quality. Understanding the potential causes allows for targeted interventions and a more informed discussion with healthcare professionals. Their participants preferred phalluses 2SD above their estimated population-average penis size, whereas our participants preferred penises that were only a little above average.Our data demonstrated that tunica albuginea stiffness, not corpus cavernosum stiffness, provided a good clinical imaging index indicator for evaluating penile EH.Something you saw, felt, smelled, heard, or thought makes your nerves send chemical messages to the blood vessels in your penis.Peyronie’s disease is when scar tissue (plaque) forms in your erectile tissue and causes your penis to curve, bend or lose length.The penis becomes enlarged, hardened, and erect as a result of this increased blood pressure.Everything you already know that’s bad for you is bad for your penis.The close and direct relationship between erection hardness and successful sexual intercourse supports the broader use of the erectile hardness score (EHS) in clinical practice. Erections are a result of multiple parts of the body and processes working together. People with ED may also develop a lower sex drive in general. Talking to your partner can help and make it less stressful. If you’re comparing yourself to the people in porn this might also affect your confidence and make you more anxious. As mentioned before, psychological stressors impact your sexual performance. Research suggests that physiological mechanisms and sexual conditioning change. Research shows that there’s an increasing number of younger men experiencing erectile dysfunction. I’m not blaming porn as the cause of erectile issues, because as we already know, it’s a multifactorial issue. Since we’re on the topic of hard-ons, it’s worth discussing the impacts of pornography on erectile function. This slang term refers to the penis, often using vivid and descriptive language to create a humorous or playful tone. This term is a humorous and exaggerated way to refer to the male genitalia, specifically the penis. It conveys a sense of sexual desire and excitement. The term “love pump” is a playful and humorous slang term used to refer to an erect penis. The term “pocket rocket” is often used to describe a small but intense erection. It's caused by problems with blood flow.Blood taken from your arm can be checked for conditions such as sickle cell disease, other blood diseases, and cancers.The smallest erect penis in the study was about 1.6 inches (4 cm) long, and the largest was 10.2 inches (26 cm) long.However, it’s equally crucial to reduce or eliminate foods that can hinder erectile function.But sometimes surgery causes temporary ED that gets better on its own after 6 to 18 months.Veale et al.,14 in a systematic review, state that by exerting adequate pressure to stretch the penis (it may cause pain), it is possible to obtain measurements similar to those generated by an erection. Yoga will require some form of physical exertion, which will help with circulation and blood flow (especially when performed regularly). Meditation ‘focuses one's mind for a period of time, in silence or with the aid of chanting, for religious or spiritual purposes or as a method of relaxation.’ It’s long been claimed that yoga benefits mental health and mood. Strength exercise also impacts testosterone levels, in some cases causes the body to produce more, and testosterone plays a pretty important role in libido. This is because the body produces endorphins when you exercise. Pedersen found that many of the men in her study shared that mate-seeking mind-set. More often in the age of online dating, men seem to see sending dick pics as a viable way to attract a “short-term mate” by signaling their availability and interest. Pedersen hypothesizes that for some of these men, the dick pics are an expression of subconscious misogyny, but the explicit motivations fall into two major categories. The finding conforms to general suspicions about unsolicited dick pics—that they’re the province of self-absorbed people who don’t care about the recipient. Prolonged erection or priapism occurs when blood is trapped in the penis. This can influence your mental health, sexual function and intimate relationships. Prolonged erection is caused by abnormal blood flow in the penis, causing the blood to build up. Prolonged erection, or priapism, occurs because the blood in the penis becomes trapped and is unable to flow out. Consultation with a healthcare provider can help discern if they’re the root cause and if alternatives are available. What many don’t realize is that some medications and drugs can inadvertently lead to erection challenges. Similarly, unresolved issues in personal relationships, feelings of guilt, depression, or past traumatic experiences can all hinder erectile function. Fear of not being able to achieve or sustain an erection can, in fact, make it harder to have one. Low testosterone, in turn, affects libido and can result in erectile challenges. When the ejaculation is finished the penis returns into the flaccid state. The helicine arteries then fill the corpora cavernosa, compressing the venous outflow from the penis. Erection and ejaculation are regulated by the autonomic innervation of the penis. The autonomic innervation for the penis, both sympathetic and parasympathetic, comes from the pelvic plexus via the cavernous (deep/cavernosal) nerve. The root of the penis receives the sensory innervation from the branches of the ilioinguinal nerve. Many people feel embarrassed or ashamed about symptoms that affect such a sensitive part of their bodies. A healthcare provider will review treatment options with you so you can make an informed decision. Mild damage to your penis might heal on its own without treatment. “It’s a really intimate experience, but it’s not necessarily sexually focused, and for some people it’s relaxing and connecting.” For most men, the goal is to get an erection that is rigid enough for penetrative sex and that lasts until both partners are satisfied. Males with a larger penis may be at an advantage when pursuing short-term female partners. Perhaps these women did not have a clear preference, consistent with weak penis size preferences reported in some previous studies 54, 65. As a first study using life-sized 3D models of erect penises to investigate preferences, some limitations exist. Those things make up the components–your (sexual) musical instruments–and no matter what they are, if you both want to, there is always more, wonderful, new and different music you can make with them. Those things are your starting points, just like body shape, physical ability, existing understanding, limits to each of your desires and the limitations of things outside of your sex-life. Your sex life and sexual experience, finally, don’t need to revolve around orgasms, and therefore don’t need to be completely defined by the effects of orgasms, like physical sensitivity, sleepiness or increased arousal. Instead it can follow a number of other different rhythms, an improvised going back and forth between different things you enjoy, a long slow relaxing afternoon rumble, a quick tumble, or something which you enjoy to begin with, enjoy what you can from, but then draws to a stop because your feelings have changed and it’s time. But uncircumcised people may find that with all the extra nerve endings of the foreskin, they’re just more sensitive, especially to certain kinds of touch, than their circumcised brothers with a lot of sexual activities. While it may seem weird to some, there’s nothing disturbing about that function, just like there’s nothing disturbing about the fact that when many people with penises masturbate, they use their hand around the penis to create the same kind of sensation a foreskin provides in moving over and back the head like that. When it comes to what’s exciting and interesting with sex and partners, the devil is usually in the details, not in something we can measure with a ruler. For these reasons, a median number of partners of 10 is not unexpected.While this study shows clearly that women prefer the surgically unaltered penis, it does have shortcomings. For a woman to have a sexual partner with an anatomically complete penis involves having partners outside her immediate social network, which is uncommon. This review presents the findings of a survey of women who have had sexual partners both with and without foreskins, and reports their experiences. To date no study has investigated whether this dramatic alteration in the male genitalia affects the sexual pleasure experienced by the female partner or whether a woman can physically discern the difference between a penis with a foreskin. When it comes to discussing matters of the bedroom, it’s important to have a solid grasp on the slang for erection. It is almost always painful and results from blood becoming trapped in the erectile bodies, with no arterial flow. Sensory innervation is supplied by the dorsal nerve of the penis, a terminal branch of the pudendal nerve.