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  Figure: Anatomy of small intestine Directly start quiz ?  Questions and answers section Anatomy of small intestine The small intestine is located in the abdomen The upper end is connected to the pylorus of the stomach The lower end is connected to the large intestine total length is about 4-6 meters Main place for food digestion and absorption  Digestion in the small intestine  chemical digestion: pancreatic juice, bile and small intestinal juice mechanical digestion: small intestinal movement nutrients are absorbed by the small intestinal mucosa Divided into three parts: duodenum, jejunum and ileum Duodenum The upper end of the duodenum starts from the pylorus the lower end is on the left side of the second lumbar vertebral body, and continues to the jejunum It is about 25-30 cm long and surrounds the head of the pancreas in the shape of a horseshoe Has 4 parts: superior part, descending part, transverse part, and ascending part There is a common opening of the co...

  Figure-1 Superior and inferior mesenteric artery Blood supply to GI organs Foregut structures are supplied by the Celiac trunk. Midgut structures are supplied by the Superior Mesenteric Artery (SMA) Hindgut structures are supplied by the Inferior Mesenteric Artery (IMA) We have a different set for the Celiac trunk. Click here to get notes and quiz .  This set is exclusively for the SMA and IMA.  Directly  start Quiz? Click here View questions and answer together?   click here (we recommend you first to take quiz) ________________________________ Superior Mesenteric Artery Origin: from abdominal aorta, behind the neck of the pancreas,  just below the celiac trunk at the level of the L1 vertebral body Supplies midgut structures Branches: Middle colic artery Right colic artery Ileocolic Artery Inferior pancreaticoduodenal artery Intestinal arteries Inferior Mesenteric Artery Origin: from abdominal aorta supplies hindgut structures(descending colon, sigmoi...

  Blood supply of stomach Arterial blood supply to stomach mainly comes from the celiac trunk Most parts of the stomach get blood supply from more than one artery Dual blood supply decreases the risk of hypoperfusion  Fundus of the stomach is supplied only by short gastric arteries, branches of the splenic artery. Therefore occlusion of the splenic artery may lead to ischemia/ hypoperfusion of the fundus. Directly start Quiz? Click here Figure-1 Arterial blood supply of stomach     T o remember all the arteries and their territories, I highly suggest you draw this diagram by yourself and label all the arteries. It is not easy to remember all the names for a long period of time but here are pro tips and tricks that you can use in order to make it last longer and solve multiple-choice questions as well: Draw a simple sketch of above figure-1 (your figure does not need to be artistic) Label all the important arteries Recall the anatomy and surrounding structures of th...