Symptoms | Colon function and diseases

Symptoms Pain: Pain in the abdominal area can be an indication of a disease of the colon. A distinction is made between cramping, stabbing, burning, pressing, colicky and pulling abdominal pain. Heat applications (e.g. hot water bottle) can provide relief in many cases. Diarrhoea: Diarrhoea (diarrhoea) is the repeated occurrence of stools that are too … Symptoms | Colon function and diseases

Tasks of the colon during digestion | Tasks of the colon

Tasks of the colon during digestion Although hardly any nutrients are absorbed in the large intestine, with the exception of short-chain fatty acids, which are also already absorbed in the small intestine, the large intestine is nevertheless important. First and foremost, it plays a decisive role in maintaining our water balance. The large intestine absorbs … Tasks of the colon during digestion | Tasks of the colon

Anus (anus) | Tasks of the colon

Anus (anus) The anus closure prevents the stool or gases from involuntarily escaping from the intestine.This requires various mechanisms: Tasks Internal anal sphincter (Sphincter ani internus): This sphincter consists of smooth muscles and can therefore not be controlled intentionally, Functions of the external anal sphincter (Sphincter ani externus): This sphincter, which consists of transversely striated … Anus (anus) | Tasks of the colon

Microscopic structure | Duodenum

Microscopic structure The different layers of the duodenum in cross-section correspond to those of the rest of the digestive tract. From the outside, the duodenum is surrounded by connective tissue (tunica adventitia), which contains both blood and lymph vessels. This is bordered by a muscle layer, the so-called tunica muscularis. It contains an outer longitudinal … Microscopic structure | Duodenum

Duodenum

Position and course The duodenum is a part of the small intestine and is the link between the stomach and the jejunum. It has a length of approximately 30 cm and is anatomically divided into 4 different sections depending on its course. After leaving the pylorus, the chyme reaches the upper part of the duodenum … Duodenum

Vascularization of the intestine

Vascularization of the duodenum The duodenum follows the stomach in the digestive tract and serves for the further digestion of the food. The duodenum is supplied by two arteries, the upper pancreaticoduodenal artery (superior) and the lower pancreaticoduodenal artery (inferior). The venous outflow takes place via several pancreaticoduodenal veins into the portal vein system (vena … Vascularization of the intestine

Vascularization of the rectum | Vascularization of the intestine

Vascularization of the rectum The rectum is used to store stool (continence) and for controlled excretion (defecation). The arterial supply of the rectum is provided by three arteries. The upper rectal artery (Arteria rectalis superior), which originates from the lower intestinal artery (Arteria mesenterica superior), supplies the upper part of the rectum. The middle rectal … Vascularization of the rectum | Vascularization of the intestine

Tasks of the small intestine sections | Tasks of the small intestine

Tasks of the small intestine sections Most of the carbohydrate digestion takes place in the duodenum and jejunum. Enzymes in the brush border break down more complex carbohydrates, which are then absorbed as simple sugars (monosaccharides) via transporters into the small intestine cells. The digestion of fats (lipids) and the absorption of lipid cleavage products … Tasks of the small intestine sections | Tasks of the small intestine