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The Daily Insight

What is connected to my left testicle?

Author

Daniel Martin

Updated on May 01, 2026

Left testicular vein. The left testicular vein is the male equivalent of the ovarian vein. Both testicles have veins that attach at different locations. The right testicular vein attaches to the inferior vena cava.

Keeping this in consideration, what is usually the first sign of testicular cancer?

Usually, an enlarged testicle or a small lump or area of hardness are the first signs of testicular cancer. Or testicular cancer may cause the testicle to grow bigger or to become smaller. Dull ache in the lower abdomen or groin. Sudden buildup of fluid in the scrotum.

Beside above, what are the side effects of having one testicle? Having just one testicle is rarely a risk factor for other health conditions. However, it can lead to some health complications.

These include:

  • Testicular cancer. People with an undescended testicle have an increased risk of this type of cancer.
  • Subfertility.
  • Hernias.

Accordingly, why is my left testicle hurting?

Often, a very common and treatable condition is what causes pain in the left testicle. It's possible you have a condition known as varicocele. Varicocele is when veins in your scrotum don't function correctly, which results in blood that pools in certain areas, instead of flowing like it should, through the body.

Why do I feel a pulse in my testicle?

PulseTesticular Torsion. It occurs when the spermatic cord that holds the testicle gets twisted. The spermatic cord contains blood vessels and passageways for sperm, and when it is twisted, blood flow to the testicle is reduced or blocked. The reduced blood flow causes sudden and often severe pain and swelling.

Related Question Answers

Does testicular cancer spread fast?

Seminomas are testicular cancers that grow slowly. They're usually confined to your testes, but your lymph nodes may also be involved. Nonseminomas are the more common form of testicular cancer. This type is faster growing and may spread to other parts of your body.

Can you have testicular cancer for years without knowing?

When cancer originates in one or both testes, a man can go a long time without any obvious signs or symptoms. Regular testicular self-checks can usually find a telltale lump within the scrotum, but not always. Symptoms often don't appear until the cancer is in its later stages. Early on, there are usually no symptoms.

What are 5 warning signs of testicular cancer?

Five Common Signs of Testicular Cancer
  • A painless lump, swelling or enlargement of one or both testes.
  • Pain or heaviness in the scrotum.
  • A dull ache or pressure in the groin, abdomen or low back.
  • A general feeling of malaise, including unexplained fatigue, fever, sweating, coughing, shortness of breath or mild chest pains.
  • Headache and confusion.

How can you tell if you got testicular cancer?

Hold one of your testicles with your index and middle fingers underneath and your thumb on top. Your testicle is normally oval, smooth, and firm. Feel for lumps by rolling it gently between your thumb and fingers. Note any changes in size, shape, or feel.

How long can testicular cancer go unnoticed?

But other cancers can form and grow undetected for 10 years or more, as one study found, making diagnosis and treatment that much more difficult. When cancer originates in one or both testes, a man can go a long time without any obvious signs or symptoms.

What does a testicle lump look like?

Lumps can be as small as a pea. Swelling can feel like an irregular thickening on your testicle. These things are often painless, but you might feel some discomfort. Normal testicles have blood vessels, tissue, and tubes that carry sperm.

How can a doctor tell if you have testicular cancer?

A testicular ultrasound test uses sound waves to create an image of the scrotum and testicles. An ultrasound also tells your doctor whether lumps are inside or outside of the testicle. Blood tests. Your doctor may order tests to determine the levels of tumor markers in your blood.

How can you test for testicular cancer at home?

Hold your penis out of the way and examine each testicle separately. Hold your testicle between your thumbs and fingers with both hands and roll it gently between your fingers. Look and feel for any hard lumps or nodules (smooth rounded masses) or any change in the size, shape, or consistency of your testicles.

Why is the left testicle more important?

The left testicle is bigger than the right one; therefore, the left vein is longer than the right. Because the left vein is longer, it is subject to more difficulties when draining. This causes the blood to gather, leading to dilated (expanded) veins in the scrotum.

Can you pull a testicle?

An injury can rupture or tear the tough, protective covering surrounding the testicle and damage the testicle. This is called a testicular rupture or fracture. Contusion. When an accident injures blood vessels in the testicle, it can cause a contusion, which may involve bleeding and bruising.

Why does my left testicle and lower back hurt?

When testicle pain occurs along with lower back pain, it can indicate an underlying condition. Possible causes include kidney stones, infections, and spinal problems. People should see a doctor if the pain is severe, does not go away, or occurs along with other concerning symptoms.

What does it mean if I only have one testicle?

Usually, only one testicle does not descend. Both are undescended in 10 percent of cases. The more formal medical term for testicles that do not descend is cryptorchidism. It is one of the most common endocrine problems in newborn males and the most common genital condition that doctors can identify at birth.

What testicle produces more sperm?

Epididymis — The epididymis is a long, coiled tube that rests on the backside of each testicle. It functions in the carrying and storage of the sperm cells that are produced in the testes.

How common is it to have one testicle?

Usually, only one testicle does not descend. Both are undescended in 10 percent of cases. The more formal medical term for testicles that do not descend is cryptorchidism. It is one of the most common endocrine problems in newborn males and the most common genital condition that doctors can identify at birth.

How do I check myself for testicular torsion?

Doctors often diagnose testicular torsion with a physical exam of the scrotum, testicles, abdomen and groin. Your doctor might also test your reflexes by lightly rubbing or pinching the inside of your thigh on the affected side. Normally, this causes the testicle to contract.

Why do my balls feel like they are being pinched?

The most common causes of pain in the testicles are inflammation, hernia or a blow to the scrotum. A twist of the testicles is more common in young boys than men but can happen at any age. If you have groin hernia, pain in the scrotum may be due to the hernia being pinched.

Can your balls switch sides?

It happens when the spermatic cord, which provides blood flow to the testicle, rotates and becomes twisted. If testicular torsion goes on for more than a few hours, it can permanently damage the testicle, and a damaged testicle must be removed. The amount of twisting can be anywhere from 180-720 degrees.

Is it normal to have 3 balls?

Polyorchidism is a very rare condition. Men with this condition are born with more than two testes, also known as testicles or gonads. There are only about 200 known reported cases. In the vast majority of cases, the individuals have three testes.

Why does my right testicle throb?

Sometimes, what seems to be testicle pain is caused by a problem that starts in the groin, abdomen or somewhere else — for example, kidney stones and some hernias can cause testicle pain. Causes of testicle pain or pain in the testicle area can include: Diabetic neuropathy (nerve damage caused by diabetes)

When should I go to the doctor for testicular pain?

Summary. If a person experiences swelling or pain in one or both testicles, it is best to see a doctor. If the pain is causing nausea and vomiting, they should seek immediate medical attention.

Why does my right testicle feel uncomfortable?

At some point in life, many men experience pain or discomfort in either one or both testicles. It might be caused by a direct injury, or it may appear out of the blue. A common cause of testicular discomfort is a very treatable condition known as varicocele.

Is testicle torsion painful?

Pain and swelling of the scrotal sac are the main symptoms of testicular torsion. The onset of pain may be quite sudden, and the pain can be severe. Swelling may be limited to just one side, or it can occur in the entire scrotum. You may notice that one testicle is higher than the other.

Can varicocele cause heart problems?

Well, the very definition of varicoceles—enlarged veins in your scrotum—makes it pretty unlikely that it's actually causing issues like heart disease, says Dr. Eisenberg. Heart disease, of course, develops when plaque buildup in your coronary arteries cause them to narrow.