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What shape is the stomach?
J-shaped
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What are the two openings called?
- Cardiac orifice
- Pyloric orifice
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What are the two curvatures called?
- Greater curvature
- Lesser curvature
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Where is the body of the stomach?
From cardiac orifice to the notch
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Where is the pyloric antrum?
From the notch to the pylorus
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What is the pylorus?
Tubular bit of the distal stomach
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What surrounds the pylorus?
The pyloric sphincter
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What are the ligaments of the stomach?
- Lesser omentum
- Gastrosplenic ligament
- Gastro-phrenic ligament
- Greater omentum
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Where does the lesser omentum run?
From lesser curvature to liver
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Where does the gastro splenic ligament go?
From upper greater curvature to spleen
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What does the gastrosplenic ligament contain?
- Short gastric vessels
- Left gastro-epiploic vessels
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Where does the gastrophrenic ligament go?
From the fundus to diaphram
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Where does the greater omentum go?
From lower greater curvature to transverse colon
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What are the layers of the muscular wall?
- Longitudinal fibers
- Circular fibers
- Oblique fibers
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Where are the longitudinal fibers?
Along curvatures
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Where are the circular fibers?
Around the stomach but not in the fundus
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What are rugae?
Longitudinal folds of mucus membrane
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What are the anterior relations of the stomach?
- Anterior abdominal wall
- Diaphragm
- Left lobe of liver
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What are the posterior relations of the stomach?
- Lesser sac
- Diaphram
- Spleen
- Left super-renal gland
- Left kidney
- Splenic artery
- Pancreas
- Transverse mesocolon
- Transverse colon
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What are the 3 divisions of the GI tract?
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Where is the foregut?
- Lower third of eusophagus to 2nd part of duodenum
- 2nd part of duodenum to distal third of transverse colon
- Distal third of tranverse colon to helf way down anal canal
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What is the blood supply of the stomach?
Branches of celiac trunk
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What is the lymph drainage of the stomach?
Celiac nodes
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Where does the lienorenal ligament go?
From the spleen to the left kidney
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What does the lienorenal ligament contain?
Splenic vessels and tail of pancreas
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What shape is the duodenum?
C-shaped tube
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What does the duodenum do?
Connects stomach to jejunum
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How long is the duodenum?
10 inches
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How many parts are in the duodenum?
4 parts
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What is the pneumonic for the duodenum?
1-2, 3-4, 2-3, 4-1
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What is the blood supply to the duodenum?
- 1st half supplied by superior pancreaticoduodenal
- 2nd half supplied by inferior pancreaticoduodenal
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What are the anterior relations of the duodenum?
- Transverse colon
- Transverse mesocolon
- Peritoneum
- Neck of the gallbladder
- Quadrate lobe of the liver
- Superior mesenteric artery and vein
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What are the posterior relations of the duodenum?
- IVC
- Aorta
- Hilum of right kidney
- Right ureter
- Right psoas muscle
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What is the lymph drainage of the duodenum?
- Upper half: celiac nodes
- lower half: superior mesenteric nodes
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State 3 ways cancer can spread
- Lymph
- Venous drainage
- Direct spread
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What is the pneumonic for the spleen?
1x3x5x7 9, 10, 11
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Where is the spleen?
- IN the left hypochondrium,
- ON the posterior abdominal wall
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What is the blood supply to the spleen?
Splenic artery
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Which two veins join to make the portal vein?
Superior mesenteric and splenic vein
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What is the lymph drainage of the spleen?
Celiac nodes
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