Since the birth of life, trauma has always existed in the whole evolution process. In life, we always have some accidents or destiny takes a hand's bare legs. kneeling durian (I swear to the lamp that I have never knelt) will cause some injuries. As long as the injuries are not serious, most normal people can gradually grow up in a few days and return to normal function and appearance. So, what is this process like? In this issue, we will talk about the topic of "multi-job" cooperation with our cells to repair wounds.

The process of trauma

When bare knees kneel on the durian shell, you will feel pain immediately, which may be the direct purpose of the savage girlfriend's punishment. However, pain is a self-protection mechanism for the body, which can make us out of danger through reflection and avoid causing more serious trauma (except when kneeling durian is forced to beg for mercy). At this time, most of the weight is pressed on the protruding part of the durian shell (one of the reasons for boys to control their weight), and the skin sinks until it is punctured by the tip, so the sad trauma appears ...

Local manifestations of trauma

After the trauma, the capillaries in local skin, mucosa and other tissues will be destroyed, and blood and blood cells will seep around the wound. Then platelets made by megakaryocytes in bone marrow will seep with the bleeding point, and together with fibrin, they will aggregate around the wound, and gradually form a solid hemostatic embolus to avoid more damage to the body due to the increase of bleeding volume. Of course, there will be not only bleeding but also local swelling at this stage.

A group of cells that came to clean the "battlefield"

Then, a large group of inflammatory cells (including plasma cells, granulocytes, T cells, NK cells, etc.) immediately rushed to the wound site. When the immune cells arrived, they first identified which tissue cells were damaged, and then removed the damaged cells, durian shells and pathogenic microorganisms carried on the skin surface, so as to clean up the site for the next step of stem cell repair and reduce or avoid the possibility of infection.

Organize the role of restoration to enter the stadium.

At this time, stem cells with self-replication and differentiation potential in the tissue near the wound began to "transform" in a static state, and began to differentiate into fibroblasts, endothelial cells and capillaries needed to repair the wound according to the needs of the tissue damaged by the wound. Epithelial cells differentiated from stem cells also gradually grew from the edge of the wound to the center until the wound was completely repaired.

After repair, the wound is still fragile, and it is easy to be injured again in case of accident. Therefore, friends who have been punished as "kneeling durian" by their wives or girlfriends must strengthen their protection at this stage. However, at this time, with the increase of collagen fibers synthesized by fibroblasts, the wound strength is becoming more and more stable, but too much granulation tissue produced by them will gradually form scar tissue, but with the action of various enzymes and exercise stress in the future, the appearance and local function will gradually recover. This is the process of tissue repair after trauma, and severe trauma is beyond the scope of this discussion.

However, with the increase of the frequency of kneeling durian, the local skin will be thickened, which is a kind of self-protection of our body, which is equivalent to "kneeling easily".

Focus on:

So how can we scientifically avoid kneeling durian's bad luck?

1, dare to admit your mistake and promise not to make it again next time;

2, make more mistakes, more kneeling durian, more times will generate "easy to kneel", with the protection of a kneeling durian what is floating clouds, but it is likely to be single again!