When the male fetus is 2 months old, the thyroid cartilage begins to develop and continues to grow every year until the age of 5-6 years after birth, but the growth of thyroid cartilage will basically stop during the period from 5-6 years old to adolescence. The long Adam's apple in men usually shows that the Adam's apple is gradually protruding, and the voice will gradually become deep and deep.
In addition, the Adam's apple in men is also closely related to genetic factors. Generally speaking, the growth and development characteristics of the previous generation will be passed on to the next generation, not only the height and figure, but also the shape of eyes, the length of nose, the height of cheekbones, the size of ears and the shape of breasts. Of course, it also includes whether there is an Adam's apple and its size.
Extended data:
The size of Adam's apple is actually related to its development and age. Moreover, for women, it is not without Adam's apple. They all have Adam's apple like men. Only women are not obvious, so from an intuitive point of view, Adam's apple will be regarded as a symbol of men.
With the emergence of more and more men without throats, people begin to understand that women also have Adam's apple, but there are some differences with men, which are not particularly obvious.
Baidu Encyclopedia-Adult Male Adam's apple