The appendix is a long, thin, curved, blind tube that runs down the right side of the abdomen between the cecum and the ileum. It is attached to the posterior medial wall of the cecum at its root, and is free and atretic at its distal end. Its range of motion is highly variable from person to person, and the appendix can extend into the abdominal cavity in any direction depending on the influence of the tethered membrane. The appendix is located in the lower right part of the abdomen between the cecum and ileum; it is a thin, curved blind tube that is atretic at the distal end.

Extended information:

Symptoms of Acute Appendicitis:

1. Abdominal painTypical acute appendicitis initially has pain in the middle-upper abdomen or around the umbilicus, and then the abdominal pain shifts and fixes itself in the right lower abdomen after a few hours. When the inflammation spread to the plasma membrane layer and wall peritoneum, the pain is fixed in the right lower abdomen, the original upper middle abdomen or periumbilical pain is reduced or disappeared. Therefore, no typical metastatic right lower abdominal pain history does not exclude acute appendicitis;

2, gastrointestinal symptoms of simple appendicitis gastrointestinal symptoms are not prominent. In the early stages there may be nausea and vomiting due to reflex gastroparesis. Pelvic appendicitis or appendiceal gangrene perforation may have increased frequency of defecation;

3, fever is only low fever, no chills, septic appendicitis is generally not more than 38 ℃. High fever is common in appendiceal gangrene, perforation or peritonitis;

4, pressure and rebound pain appendiceal pressure point is usually located in the Mai's point, that is, the right anterior superior iliac spine and umbilical cord line of the middle and outer 1/3 junction. Rebound pain, also known as Blumberg's sign, is a manifestation of inflammatory stimulation of the wall peritoneum. Obese patients or patients with posterior appendicitis, the pressure pain may be light, but there is obvious rebound pain;

5, abdominal muscle tension appendix pus that is this sign, gangrene perforation complicating peritonitis abdominal muscle tension is particularly significant. However, in elderly or obese patients, the abdominal muscles are weaker, and the contralateral abdominal muscles must be examined at the same time for comparison.

Baidu Encyclopedia - Appendix