"Adam's apple" with a secret that you may not know
The thyroid is a part of the body. That we tend to see clearly on the throats of "men" only. Have you ever wondered why only men have Adam's apple? Is there really no woman? And why can't women?
What is the Adam's apple?
Adam's apple is a round, round lump that we see prominently on a man's neck.
English Adam's apple is called Adam's apple because it has a legend that links to the Bible of Christianity. A hard bone This extends from the front neck area. Above an organ called "Thyroid" bone in this area is called "Thyroid cartilage" and this part of the bone is part of the "larynx".
Why do men have Adam's apple?
In fact, it is not just men who have an apple. But women have Adam's apple too. In English, a woman's thyroid is called Epiglottis, as described above, as the thyroid's cartilage. Which is a part of the body When it is already an organ It means that the human body will have all the same. But the characteristics that are not the same Give an example to see easily Is that all human beings have sex organs But males and females are not the same.
In childhood, both girls and boys have similar sized thyroid cartilage. When we look at the children So I couldn't see the two bones that were joined together. Therefore felt that children No apple But when entering the generation It is the period that sex hormones play a role in the work of various systems. In almost every part of the body, boys, testosterone is created to regulate the body's work systems. There are physiological effects.
- To grow is an increase in muscle size and strength. Increase bone density and strength It encourages bone growth to mature.
- Creating a male image is the work of the reproductive system. Crunchy sounds have hairs on the body and face.
However, due to the anatomical and physiological characteristics of males, the structure is larger than females. Male males who have entered their youth All organs change in size and shape. And the larynx is also larger And the male larynx is larger than the female larynx.
From the factor of testosterone That make the physical characteristics of men and women different Therefore, male thyroids are larger and noticeable than women's thyroids. (Large according to the size of the larynx). Importantly, the two parts of the male's apple are articulated at an angle that is about 90 degrees, while the two parts of the bone that form the apple of a woman. Will rest in an obtuse angle (An angle that is wider than the right angle) is about 120 degrees, making the woman's apple is horizontal. Can't see clearly as a child as a man Therefore felt that the woman did not have an apple
Where is the voice box
It is not difficult for us to find a voice box. And find a woman's apple Just try using your fingertips to tap lightly. The front of the neck is humming softly, the area where we feel the vibration is the larynx. As for finding the apple of a woman Use your fingertips to tap lightly. On the neck in the same position and swallow the saliva We will be able to feel what is round. Move downward and quickly bounce back to its original position.
The cartilage and the thyroid gland work together in the larynx, which is responsible for determining the highs and sounds of a person. A larger larynx produces a deeper tone, giving men a deeper voice than women. Women who grow up have a slightly larger larynx. The sound is a little deeper as well. But not as low as men This is one of the reasons why women have a smaller voice than men.
Function of the apple
In fact, the Adam's apple is not useful in medicine. But it is useful for humans to protect the vocal cords for talking, laughing, whispering, singing, shouting, etc., and an important function of the Adam's apple is. Is an opening into the larynx While swallowing food, the larynx moves upward. The tip of the Adam's apple will slide down to cover the larynx so that air can not enter the larynx. And also blocking the space between the esophagus and the trachea
And this is the secret about "Adam's apple" that many people may not know.
