Stomach Flashcards
Is the stomach intraperitoneal or retroperitoneal?
Intraperitoneal
Which region of the abdomen is the stomach primarily located?
Epigastric region
How many sphincters does the stomach have?
2
What are the 2 sphincters of the stomach?
- Inferior oseophageal sphincter
2. Pyloric sphincter
Function of rugae on interior surface of stomach?
Increase surface area
At what vertebral level is the inferior oseophageal sphincter?
T11
Main function of stomach
Acidic and mechanical digestion
Gastric juice concerts a mass of food into what?
Chyme
Name the 4 parts of the stomach?
- Cardia
- Fundus
- Body
- Pylorus
Name the 2 curvatures of the stomach?
- Greater curvature
2. Lesser curvature
Surrounds the cardial orifice
Cardia
Opening of the oseophagus into the stomach
Cardial orifice
Superior part of the stomach which may be dilated by gas, fluid or food
Fundus
Which structure is between the oseophagus and fundus?
Cardial notch
Central portion which lies between the fundus and pyloric antrum
Body
Connects the stomach to the duodenum. Comprised of 3 parts.
Pylorus
What are the 3 parts of the pylorus?
Pyloric antrum, Pyloric Canal and Pyloric Sphincter
Lies between the pylorus and first part of duodenum. It controls the exit of chyme from the stomach into the duodenum
Pyloric sphincter
When intragastric pressure overcomes the resistance of the pylorus, the stomach does what?
Empties its contents into the duodenum
What forms the cardiac notch?
Greater curvature
Where does the greater curvature start and finish from?
Starts at cardiac notch and ends at pyloric antrum
What indictaes the junction of the body and pyloric region?
Lesser curvature
Which ligament attaches at the lesser curvature?
Hepatogastric ligament
Generally, what is the blood supply of the stomach?
Coeliac trunk