Rectum The rectum belongs to the last section of the large intestine (colon). Together with the anal canal (Canalis analis), the rectum is used for stool excretion (defecation). Structure The rectum is about 12 – 18 cm long, although this can vary from person to person. The name rectum is somewhat misleading for the rectum, … Rectum – anatomy, function and diseases
Location The rectum lies in the small pelvis. It is located very close to the sacrum (Os sacrum), i.e. rather in the rear part of the pelvis. In women, the rectum is bordered by the uterus and the vagina. In men, the vesicle gland (Glandula vesiculosa) and prostate (prostate gland) as well as the vas … Location | Rectum – anatomy, function and diseases
Diseases of the rectum It can happen that the rectum falls down when the pelvic floor and sphincter muscles are weak. This means that the muscle level here is no longer strong enough to hold the organs. As a result, the rectum collapses in on itself and can bulge out through the anus. This incident … Diseases of the rectum | Rectum – anatomy, function and diseases
Mucosa of the small intestine The small intestine needs a large absorption surface for the absorption of food components. The mucosal surface is greatly enlarged by means of strong folding and numerous protuberances. This is ensured by various structures: Kerkig folds (Plicae circulares)These are annular folds that form the coarse relief of the small intestine … Mucosa of the small intestine | Small intestine
Functional Tasks As a part of the digestive tract, the main function of the small intestine is to process the food and absorb the nutrients, electrolytes, vitamins and fluids it contains. In the small intestine, the previously chopped up food components are broken down into their basic components and absorbed. This is done on the … Functional Tasks | Small intestine
MotionPeristalsis After absorption into the small intestinal mucosa, the nutrients are transferred into the bloodstream. Through the vascular network (capillaries) in the villi of the small intestine, the sugars, the amino acids (from peptides) and the short to medium-chain fatty acids are absorbed into the blood vessels and are passed on to the liver via … MotionPeristalsis | Small intestine
Important diseases Ulcerative colitis is also a disease from the group of chronic inflammatory bowel diseases (CED). Ulcerative colitis is particularly characterized by affection of the large intestine, but can also sometimes affect the small intestine. This is known as “grown-in” inflammation of the small intestine (“backwash ileitis”). This disease is also autoimmunologically triggered and … Important diseases | Small intestine
Synonyms in a broader sense Interstitium tenue, jejunum, ileum, duodenum Definition The small intestine is the section of the digestive tract that follows the stomach. It is divided into three sections. It begins with the duodenum, followed by the jejunum and ileum. The main function of the small intestine is to split the food pulp … Small intestine
Length The small intestine is a very motion-active organ and therefore has no fixed length. Depending on the state of contraction, the small intestine is 3.5 to 6 meters long, with the individual sections being of varying size. The smallest part of the small intestine is the duodenum, which is directly adjacent to the stomach. … Length | Small intestine
Synonyms in a broader sense Colon, Interstitium grassum, colon, rectum, rectum (rectum, rectum), appendix (caecum), appendix (Appenedix vermiformis) Definition As the last digestive tract section, the large intestine connects to the small intestine and frames the small intestine with its 1.5 meters length from almost all sides. The main task of the large intestine is … Colon function and diseases
Function and tasks In the large intestine, the intestinal contents are primarily thickened and mixed. In addition, the large intestine is responsible for the urge to defecate and the evacuation of stool. 1. motility By motility the physician understands the entirety of the movements of the large intestine. They serve to thoroughly mix the food, … Function and tasks | Colon function and diseases
Pain in the large intestine Pain in the colon can have various causes. Among the most common ones: Appendicitis In the vernacular, the inflammation of the appendix (Latin: Appendix vermiformis) is also known as appendicitis. Strictly speaking, however, this term is incorrect, since it is not the appendix (lat. : caecum) that is inflamed, but … Pain in the large intestine | Colon function and diseases