Penis & Testicles

This section offers information about the basic anatomy of the penis, ejaculation problems, erection problems, lumps on genitals (penis and scrotum), penis problems and testicle problems.

Basic Anatomy: The Penis

First, the Facts The penis is the major male reproductive organ. It also forms part of the male urinary tract system since it contains the urethra, which not only carries...

Ejaculation Problems – Blood in the Semen

Semen is usually a thick, creamy-white liquid. Blood in the semen (haematospermia) is common and looks like red streaks in the fluid. It is scary to notice blood in your...

Ejaculation Problems – Delayed Orgasm

Delayed orgasm and anorgasmia are defined as the persistent or recurrent difficulty, delay in, or absence of attaining orgasm after sufficient sexual stimulation, which causes personal distress (Fertility & Sterility...

Ejaculation Problems – Not Enough Semen

Sperm are made in the testicles. To reach the penis, they travel along the narrow tube of the epididymis (which lies just outside the testicles) and then along larger tubes...

Ejaculation Problems – Ejaculation Backwards

If your semen goes backwards into your bladder at orgasm, instead of shooting out of the hole at the end of the penis, you have ‘retrograde ejaculation’. Men with retrograde...

Ejaculation Problems – Premature Ejaculation

Ejaculation is the peak of male orgasm, when the semen squirts out. How to Know If You Have Premature Ejaculation In premature ejaculation, the point of no return arrives too...

Erection Problems – Causes

What Happens during an Erection? The penis contains three long cylinders of erectile tissue. Two of the cylinders lie side by side, while the third lies beneath them. The urethra,...

Erection Problems – Questions and Common Beliefs

Questions to Ask Yourself Is it really an erection problem? Or is the actual problem premature ejaculation or a lack of sexual desire? Can you achieve an erection by masturbation...

Erection Problems – Talking to Your Doctor

How to Approach Your Doctor According to Men’s Health magazine, “on the Richter scale of embarrassment, impotence comes near the top”. The Viagra publicity has loosened the taboo to some...

Erection Problems – Treatment Options

Getting Treatment In the UK, only men with certain conditions (prostate cancer, spinal cord injury, kidney failure, diabetes, multiple sclerosis, spina bifida, polio, Parkinson’s disease, ‘single-gene neurological disease’, severe pelvic...

Lumps on Genitals (Penis and Scrotum)

Sometimes we look at our bodies in a new light, and notice things that we have never seen before, and we think they are not normal. This often happens with...

Penis Problems – Bending and Twisting

What’s Normal? An absolutely straight penis is unusual – most have a slight curve when erect. But this should not be more than about 25° from straight, like a banana....

Penis Problems – Discharge from the Penis

The hole at the end of the penis is the opening of the urethra (the tube for urine and semen that is inside the penis). Discharge is usually a sign...

Penis Problems – Odd-Looking Patch

It is quite common to notice an area of skin on the penis that looks different from the surrounding skin. It may be red, shiny or scaly, or pale and...

Penis Problems – Opening in the Wrong Place

Not Peeing Straight If you look carefully at the stream of urine as it leaves the penis you will notice that it comes out as a spiral. This is because...

Penis Problems – Penis Size

What’s Normal? Most men do not think rationally about penis size. Research has shown that men do not have a clear idea of the size of their own penis. Looked...

Penis Problems – Tight Foreskin

The foreskin is the hood of skin that covers the head of the penis. If you have been circumcised, you will not have a foreskin. In small children the foreskin...

Testicle Problems – Checking Your Testicles

It is a good idea to examine your testicles (testes) regularly, so that you become familiar with your own anatomy. Then you will be able to tell if anything unusual...

Testicle Problems – Itchy, Sweaty Testicles and Scrotum

If your testicles feel itchy, it is probably the scrotum that is itching – the bag of skin that contains the testicles, not the testicles themselves. Or, more often, it...

Testicle Problems – Painful Testicle(s) with or without Swelling

Pain in the Testicle or Scrotum (No Swelling) Often, the scrotum or testicle is not swollen, but there is a dull, throbbing pain or discomfort on one side that may...

Testicle Problems – Retractile Testicles

The testicles (testes) are factories for making sperm, and the scrotum is like an air-cooled radiator that keeps the testicles at the best temperature for making sperm. About 2–3 °C...

Testicle Problems – Swelling, Lumps and Enlarged Testicles

It is important that all lumps within your scrotum, on or alongside your testicle are examined by a doctor. Even if you think the swelling is non-cancerous, get it checked!...

Testicle Problems – Undescended (Missing) Testicle(s)

Some people have a testicle on only one side. On the other side, the testicle is completely missing or it may be felt as a lump in the groin. In...
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