The testicles are a very important and very sensitive organ in a man's body. However, many people in our society are a little hesitant and ashamed to talk about this openly. But in fact, knowing exactly about this important part of your body is essential for a healthy, happy life. So today, without hiding anything, let's talk about this very simply, in a way that you can understand, like with a friend.
Simply put, what are these testicles?
The testicles, or `(Testicles)`, are the main part of the male reproductive system. Usually, a man has two testicles. Some people use names like ``bones'' or ``balls'' for these. In medical terms, we also call these ``(Testes)``. A single testicle is called ``(Testis)``.
These are located below your penis, in a pouch of skin called the scrotum. Usually, one is on the right side and the other is on the left side.
Now you might be wondering why these are in a bag outside the body. There's a special reason for that. We'll talk about that in a bit.
What are the two main functions of the testicles?
The testicles have two very important duties.
1. Sperm production: The male reproductive cells needed to make a child, called sperm, are produced inside these testicles.
2. Production of hormones: This is where testosterone, the main hormone that controls a man's male characteristics, and several other hormones are produced.
Let's now look at these two functions in a little more detail.
1. The amazing process of sperm formation
We call this process of sperm formation `(Spermatogenesis)`. This is a very wonderful thing.
Imagine, in order to produce sperm, the temperature of the testicles needs to be about two degrees Celsius lower than the normal temperature of our body. That is why the testicles are located outside the body, inside the scrotum. This sac can contract and expand depending on the temperature. When it is cold, it is closer to the body and gains heat, and when it is hot, it is further away from the body and cools down.
Inside each testicle, there are a large number of very fine, long tubes. These are called ``seminiferous tubules.`` It's hard to imagine, there are about 700 of these tubes in one testicle. It's inside those tubes that sperm is produced.
It takes about 74 days for an immature sperm cell to develop into a fully mature sperm. Throughout this time, it receives the nutrition and blood supply it needs through these tubes.
Then, these formed sperm are pushed into another system of tubes at the back of the testicles. It is called the `(epididymis)`. There, the sperm undergo further maturation. Finally, when it is time to leave the body with semen, it travels down the tube called the `(vas deferens)` and comes out through the penis.
2. Important hormones produced by the testicles
Testosterone is the main character here. This hormone is essential for a man's voice to deepen, muscles to become stronger, and body and facial hair to grow. It also directly affects sexual desire and performance.
But not only testosterone, but several other hormones are produced here.
- Inhibin B: This is a protein that is associated with sperm count and testicular volume.
- Anti- Mullerian hormone: This is important for the proper development of the internal organs of the male reproductive system during the embryonic stage.
- Insulin-like factor 3: This hormone helps the testicles descend from the abdomen into the scrotum when a baby is in the womb.
- Estradiol: Although this is known as a female hormone, this hormone is also required in small amounts for the sperm production process.
What is the appearance and normal size of the testicles?
The testicles are located inside the scrotum, so we can't see them directly. But we can see their shape from the outside and feel them. They are usually described as being shaped like large olives, small eggs, or walnuts.
When it comes to size, there's no such thing as "this is the perfect size." It can vary from person to person. The important thing is that it's normal for your testicles to be different in size and position.
- One testicle may be slightly larger than the other.
- One may be located slightly lower than the other.
These are normal conditions. There is no need to worry about them. The normal size of an adult's testicle can range from the size of a bird's egg to the size of a small chicken egg.
What are the common conditions that affect the testicles?
Like any other organ, the testicles can develop various diseases and disorders. While some of these can be detected at a young age, there are also conditions that can occur at any age. It is very important to be aware of this.
| Condition | A simple explanation |
|---|---|
| Hypogonadism | Failure of the testicles to produce the required amount of hormones (especially testosterone). |
| Klinefelter syndrome | Although a male normally has one X and one Y chromosome (XY), these men have a genetic condition in which they have an extra X chromosome (XXY). This can affect the development of the testicles. |
| Infertility | Inability to impregnate a partner. This may be because sperm are not produced at all, not enough are produced, or they are unable to be released. |
| Cryptorchidism | One or both testicles have not descended into the scrotum at birth. This is also called "undescended testicles." |
| Epididymitis | Infection or swelling of the epididymis, the tube that stores sperm, connected to the testicles. |
| Spermatocele | A harmless, fluid-filled cyst that forms above or behind the testicle. |
| Testicular Torsion | This is a medical emergency! The testicle twists around the blood vessel that supplies it, cutting off its blood supply. If not treated immediately, the testicle can become inoperable. |
| Testicular Cancer | It is the most common type of cancer among men between the ages of 20 and 35. However, if detected early, it can be treated very successfully. |
In addition, physical trauma from things like car accidents, falls, and fights can also cause damage to the testicles.
Warning signs that you should see a doctor immediately!
Your body gives you signals when something is wrong. If you have any of the following symptoms, never ignore them. Don't be embarrassed. See your doctor as soon as possible.
| Symptom | What to pay special attention to |
|---|---|
| Pain | A sudden, severe pain in the scrotum or testicles. This is especially seen in `Testicular Torsion`. |
| A lump or swelling | A lump that can be felt on the surface or inside the testicle. This may be a sign of cancer, whether or not it is painful. |
| Skin discoloration | Redness or purple discoloration of the skin in the scrotum. |
| Unusual heat | An unusually warm feeling in the area. This could be a sign of an infection. |
| Blood in semen | Bleeding with semen. |
| Lower abdominal pain | In some testicular problems, it may be felt as lower abdominal pain. |
Remember, severe pain due to `Testicular Torsion` is a medical emergency. In such a case, do not stay at home and go to the nearest hospital's Emergency Department (ETU) immediately.
What kind of tests will the doctor do?
When you see a doctor, he or she will first ask you about your symptoms and medical history. Then, depending on your needs, one or more of the following tests may be performed:
- Physical examination: The doctor will physically examine your testicles and check for any lumps, swelling, or tenderness.
- Blood tests: Check hormone levels or check for tumor markers.
- Urine tests: Check for infections.
- Ultrasound Scan: This is a very important test. It allows you to clearly see what is inside the testicles. If there is a lump, you can know exactly whether it is a fluid-filled (`cyst`) or a solid (`tumor`). It also helps to confirm the condition of `Testicular Torsion`.
How to keep the testicles healthy?
There are a few simple things you can do yourself to protect the health of your testicles.
- Protect yourself: When playing sports, especially sports like cricket, football, or other intense activities, be sure to wear an athletic supporter (jockstrap) . This can help minimize the risk of injury.
- Stay clean: Wash and clean yourself thoroughly every day. Wear clean underwear and clothes.
- Practice safe sex: Use safe methods such as condoms to protect against sexually transmitted diseases.
- Regular Self-Examination: This is the most important thing. At least once a month, examine your testicles yourself. This is easiest to do while taking a warm bath, because the scrotum is relaxed at that time.
- Hold one testicle between your thumb and index finger and slowly roll it over.
- Check the other one in the same way.
- Get a good understanding of the general feel, shape, and size.
- Keep an eye out for any new lumps, swelling, or other unusual changes.
If you notice any changes, even if they are minor, don't just assume, "This will get better on its own," but see a doctor immediately. The sooner you recognize it, the easier it is to treat.
Can someone with one testicle father children?
Yes, it is possible. One healthy testicle can produce enough sperm to conceive a child. If both testicles have to be removed due to cancer or a serious accident, it may be possible to store sperm before surgery (sperm banking). Then, there is the possibility of having children using that sperm.
Take-Home Message
- Your testicles are a very important organ, essential to male health and reproduction.
- Their two main functions are to produce sperm and hormones, including testosterone.
- Become familiar with the normal appearance of your testicles (size, shape, feel). Perform a monthly self-examination.
- If you notice any unusual changes, such as a lump, pain, or swelling , don't be shy or delay, but see a doctor immediately.
- Sudden, severe pain may be a sign of `Testicular Torsion` . As it is an emergency, go to the nearest hospital's Emergency Department (ETU) immediately.
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