Flaccid and erect penis 767
by Admin
Posted on 13-03-2023 09:43 PM
The cavernous nerves travel from the underside of the
penis
to the prostate. They regulate blood flow within the penis. In the flaccid state, relatively little blood flows in through the arteries and there is free outflow via the small veins exiting the spongy tissue just under the thick tunica (membrane surrounding the spongy tissue). During erection, the smooth muscle in the penis relaxes while the arteries widen to bring in more blood.
This expands the three cylinders of erectile tissue in the penis, thus lengthening and enlarging the penis. The expansion of these cylinders compresses the small veins, reducing the outflow of blood.
Toggle accordion item the cylinders of the implant, which are inserted into the erectile chamber of penis act as a reservoir that hold the saline next to the bladder. When the patient pumps the device using the button that has been inserted into the scrotum, the cylinders will fill up with the saline from the reservoir, giving the patient a normal erection . To return to the flaccid state, the patient simply presses the button once more and everything returns to normal.
Α-adrenergically mediated contraction of cavernosal and vascular smooth muscle limits blood flow to the penis and maintain the usual flaccid state. An erection occurs when erotic stimuli, received via any of the five senses and processed in the hypothalamus, results in inhibition of sympathetic tone and release of nitric oxide (no) from nonadrenergic, noncholinergic (nanc) nerves and endothelial cells of the arterioles in the penis ( 5 ). No activates guanyl cyclase, thereby generating cyclic guanosine monophosphate (cgmp). Cgmp decreases calcium uptake into vascular and cavernosal smooth muscle and induces relaxation. Smooth muscle relaxation permits engorgement of cavernosal sinusoids with blood and the development of an erection.
When to see a doctor
I'm dr. Matthew ziegelmann, a urologist at mayo clinic.
In this video, we'll cover the basics of erectile dysfunction. What is it? who gets it? the symptoms, diagnosis, and the treatments. Whether you're looking for answers for yourself or for someone you love, we're here to give you the best information available. Erectile dysfunction, also known as impotence, is defined by difficulty getting and keeping an erection. It can be an embarrassing thing to talk about. It's been reported that more than half of
men
between the ages of 40 and 70 experience some form of ed. So take comfort in knowing that you are not alone.
Conditions like vascular disease, surgery, diabetes, and medications are some of the top causes of erectile dysfunction. If you suffer from ed, schedule an evaluation with your doctor and get read more nov 04, 2020.
Erectile dysfunction (ed) is a common side effect of a number of prescription drugs. While these medications may treat a disease or condition, in doing so they can affect a man's hormones, nerves or blood circulation, resulting in ed or increasing the risk of ed. If you experience ed and think that it may be a result of the medication you are using, do not stop taking the medication. If the problem persists, contact your doctor and he or she may be able to prescribe a different medication. Common medications that may list ed as a potential side effect include: diuretics ( pills that cause increase urine flow).
It’s crucial that any underlying medical condition, such as angina or diabetes, is detected. So if you’re experiencing problems with ed, book an appointment with your doctor . He or she will assess and examine you to try to establish the cause of the problem, and may refer you for tests. Don’t take any medicine for ed without first discussing it with your doctor.
Your doctor will ask you questions about your health history and lifestyle. It is of great value to share facts about drugs you take, or if you smoke or how much alcohol you drink. He/she will ask about recent stressors in your life. Speak openly with your doctor, so he/she can help you find the best choices for treatment.
Physical causes of erectile dysfunction
Erectile dysfunction is defined as the persistent inability to achieve or maintain penile erection sufficient for satisfactory sexual performance. The massachusetts male aging study surveyed 1,709 men aged 40–70 years between 1987 and 1989 and found there was a total prevalence of erectile dysfunction of 52 percent. It was estimated that, in 1995, over 152 million men worldwide experienced ed. For 2025, the prevalence of ed is predicted to be approximately 322 million worldwide. In the past, erectile dysfunction was commonly believed to be caused by psychological problems. It is now known that, for most men, erectile dysfunction is caused by physical problems, usually related to the blood supply of the penis.
Fact: in the past, psychological factors alone were thought to cause erectile dysfunction. Now medical specialists know that physical conditions can cause or contribute to erection problems. Many diseases can cause an inability to achieve or maintain an erection. This includes diabetes; nerve damage; heart disease; and chronic disease of the lungs, liver or kidneys. Also, many medications can interfere with nerve impulses or blood flow to the penis. Some antidepressants, antihistamines and sleeping aids, and certain drugs to treat high blood pressure; pain; prostate cancer; and stomach, bowel or bladder conditions, are known to contribute to erectile dysfunction.
In the past, erectile dysfunction was commonly believed to be caused by psychological problems. It is now known that, for most men, erectile dysfunction is caused by physical problems, usually related to the blood supply of the penis. Many advances have occurred in both diagnosis and treatment of erectile dysfunction.
Your ability to become aroused is a complicated process. Your emotions, brain, hormones, nerves, blood vessels, and muscles all play an intricate part in male arousal. When any of these pieces aren't in line, it can cause some kind of dysfunction. It's also important to remember that your mental health plays as much a part of your sexual ability as your physical health. Stress and other mental health concerns can cause or make erectile dysfunction worse. Minor health problems may slow your sexual response, but the accompanying anxiety that comes with the slow sexual response can shut things down entirely.
If your doctor diagnoses erectile dysfunction, they will also examine you to find out the root cause. Likely, they’ll give you a physical exam where they’ll check your vitals, as well as your genitals. They may also give a psychological exam, where they’ll ask you questions about your health history, including your sexual and mental health. The results of these exams will help determine whether your erectile dysfunction is physical or mental.
Psychological causes of erectile dysfunction
Erectile dysfunction can have a range of causes, both physical and psychological. Physical causes include: narrowing of the blood vessels going to the penis – commonly associated with high blood pressure (hypertension), high cholesterol or diabetes hormonal problems psychological causes of ed include: depression relationship problems sometimes erectile dysfunction only occurs in certain situations. For example, you may be able to get an erection during masturbation, or you may find that you sometimes wake up with an erection but you are unable to get an erection with your sexual partner. If this is the case, it is likely the underlying cause of erectile dysfunction is psychological (stress related).