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Questions and Answers
What is the average length and capacity of the stomach when empty?
What is the average length and capacity of the stomach when empty?
The stomach is approximately 25 cm long and has a capacity of 50 ml when empty.
Describe the shape and location of the stomach within the human body.
Describe the shape and location of the stomach within the human body.
The stomach is J-shaped to pyriform and occupies the epigastric, umbilical, and left hypochondrium regions.
What anatomical features are associated with the stomach?
What anatomical features are associated with the stomach?
The stomach has two orifices: cardiac and pyloric, two curvatures: greater and lesser, and two surfaces: anterosuperior and posteroinferior.
How does the position of the stomach vary among individuals based on body habitus?
How does the position of the stomach vary among individuals based on body habitus?
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What is the maximum capacity of the stomach when extremely full?
What is the maximum capacity of the stomach when extremely full?
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Study Notes
Stomach Anatomy and Capacity
- The stomach is a muscular, distensible organ situated between the esophagus and small intestine.
- Length measures approximately 25 cm, with a capacity ranging from 50 ml when empty to 1.0-1.5 liters after a meal and up to 4 liters when extremely full.
Location
- Positioned mainly in the left upper quadrant of the abdomen, covering the epigastric, umbilical, and left hypochondrium regions.
- Comprises around two-thirds that are protected under the ribs.
- Vertically aligned in tall individuals, while shorter individuals display a more horizontal orientation.
- Located at the vertebral levels of T10 to L3.
External Features
- Contains two significant orifices: the cardiac orifice at the esophageal end and the pyloric orifice leading to the small intestine.
- Features two curvatures: the greater curvature on the outer side and the lesser curvature on the inner side.
- Exhibits two surfaces: anterosuperior (front and top) and posteroinferior (back and bottom).
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Description
Explore the anatomy and location of the stomach, a vital organ in the digestive system. Learn about its shape, size, and position within the body. This quiz will test your knowledge on the various aspects of stomach anatomy.
