Where is the triangle?

Best answer: The triangle area refers to the triangle area formed by the connecting line between the corners of both sides and the nasal root. The triangle called dangerous area is related to the special anatomy and physiology of oral and maxillofacial region. The superficial veins of the face include the anterior vein and the superficial temporal vein. The valves of the anterior vein are underdeveloped, few and weak, and at the same time, they are incompletely sealed. Usually, under muscle contraction, the blood can turn retrograde.

Triangular area refers to the triangular area formed by connecting the corners of both sides to the nasal root. The triangle called dangerous area is related to the special anatomy and physiology of oral and maxillofacial region. The superficial veins of the face include the anterior vein and the superficial temporal vein. The valves of the anterior vein are underdeveloped, few and weak, and at the same time, they are incompletely sealed. Usually, under muscle contraction, the blood can turn retrograde.

When facial inflammation occurs, especially when there is infection in the triangle area, it is easy to form thrombus in the anterior vein, which affects the normal venous blood reflux, and then flows back to the superior ophthalmic vein and leads to the cavernous sinus on both sides of the sella turcica via the orbit, which will spread facial inflammation to the intracranial region, resulting in serious complications such as purulent cavernous sinus and thrombophlebitis. Once complications occur, eyelid edema, or blood stasis in throat, exophthalmos, limited abduction, ptosis and even visual impairment can usually occur. Inflammation can also spread to the eyes and surrounding tissues, and chills, fever and headache can occur in the whole body. In severe cases, even septicemia and toxemia can occur, which is life-threatening. Remember, don’t squeeze, scratch, squeeze, scratch and prick the pus in the dangerous triangle of the face, or you will regret it.

The dangerous triangle is rich in blood vessels, and the infections in the mouth, nose, throat and eyes can all spread here. The most serious thing is that there are many blood vessels leading to the brain in this place. Once they are damaged or infected, they can spread bacteria and their toxins to the brain, causing meningitis or brain abscess. Therefore, the furuncle in this area, even if it is a small furuncle, should never be squeezed by hand, which will cause the spread of infection. Originally, it was just a trivial boils. Because of squeezing, meningitis happened, and there were quite a few examples of losing life. Therefore, we should educate our children and pay attention to protecting the dangerous triangle.

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