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The Duodenum is the first, widest, rigid and the shortest part of small intestine. It starts from the pylorus and goes upto the duodenojejunal flexure. During the 300 BC, it was hence termed by Herophilus because its length was roughly equivalent to the combined width of 12 fingers. When

Ligament of Treitz (Suspensory Muscle of Duodenum)

The attachment of the suspensory muscle of the duodenum (ligament of Treitz) supports the Duodenojejunal junction. The angle of the duodenojejunal flexure expands by contraction of this suspensory muscle, enhancing motion of the intestinal tract contents. A thin layer of skeletal muscle via the diaphragm and a

Marginal Artery of Colon

The marginal artery of the colon, also known as, the marginal artery of Drummond is a constant arterial circle or passageway created due to the anastomoses of the terminal divisions of the superior mesenteric artery and inferior mesenteric artery throughout the inner border of the colon. Structure


The Pancreas is a soft, delicately lobulated, elongated exo-endocrine gland. It is formed of basically 2 parts: the Exocrine and the Endocrine. The exocrine part secretes the pancreatic juice and the endocrine part secretes the hormones, viz., insulin, etc. The pancreas (in Greek pan: all 1 kreas:


The peritoneum lines the interior of the abdominopelvic cavity and is a large slim serous membrane. Peritoneum forms the biggest serous sac of the body and is comprised of a strong layer of elastic tissue lined with the basic squamous epithelium. It resembles the pleura and serous

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