Invaginations in surgery: etiology, pathogenesis, classification, diagnosis and treatment Anatomy and physiology of the abdominal organs The intestine is the longest organ in the human body. It starts from the opening in the area where the pharynx enters the esophagus and ends through the rectum at the anus. The path takes approximately 4.5 meters. This organ plays a key role in digestion and absorption of nutrients. An important organ in the digestive tract is the stomach. This is a hollow organ, shaped like a bowl and divided at the top into two chambers separating the pylorus. The stomach is a storage
Invagination is the partial penetration of a section of the small intestine into the lumen of the large intestine or reverse penetration (intussusception). In clinical practice, only the last type of intussusception is considered (a sign of an obstacle to the passage of intestinal contents), since functional obstruction occurs due to partial penetration of areas of the thin