There is a small lump of flesh outside the anus is hemorrhoids.
Hemorrhoids are divided into internal hemorrhoids, external hemorrhoids, and mixed hemorrhoids according to the site of occurrence. There is a jagged visible line called the anal canal dentate line at the junction of the skin of the anal canal and the mucous membrane of the rectum. Above the dentate line for internal hemorrhoids, is the anal cushion of the supporting structures, venous plexus and arteriovenous anastomotic branch pathological changes or displacement, covered rectal mucosa, due to the contraction of the internal sphincter muscle, the anal cushion to Y-shaped groove is divided into the left, right anterior, right posterior side of the three, so internal hemorrhoids are commonly found in the left side, the right anterior side and the right posterior side.
Expanded Information:
1, eat less spicy stimulating food, is necessary to prevent hemorrhoids. Because chili, strong tea, coffee, mustard and other stimulating foods, not only will aggravate the local anal congestion and sinus inflammation, but also weaken the resistance of the blood vessel wall. These hemorrhoids daily precautions are more important.
2, hemorrhoids daily precautions and to prevent constipation, the key is to ensure that enough water every day. After getting up, drinking a cup of light salt water on an empty stomach, has the effect of laxative and soft, not only can increase gastrointestinal peristalsis, but also adjust the function of the vegetative nervous system, which is conducive to the smooth flow of defecation.
3, high protein and high calorie food intake is too much, vegetables and fruits but only eat a little, will also trigger hemorrhoids. Daily life to eat more fresh vegetables and fruits, especially fiber content of vegetables. This is also a daily precaution for hemorrhoids.
Baidu Encyclopedia-Hemorrhoids