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Questions and Answers
Does the stomach have two orifices called the cardiac orifice and pyloric orifice?
True
Is the fundus of the stomach formed by the upper curvature and is the portion of the stomach above the gastro-esophageal junction level?
True
Is the pylorus a narrow thickened muscular canal from the sulcus to the pyloric orifice, 1–2 cm in length?
True
Is the digestive system a hollow muscular tube starting from the oral cavity to the anus?
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Does the lesser curvature of the stomach form the longer convex border of the stomach?
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What is the main central region of the stomach?
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What forms the longer convex border of the stomach?
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Which part of the stomach lies at the level of L1, 2.5 cm to the right of the midline?
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What attaches the lesser curvature of the stomach to the liver?
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What is defined as the portion of the stomach extending from the incisura angularis to the pylorus?
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Study Notes
Stomach Anatomy
- The stomach features two orifices: the cardiac orifice leading to the esophagus and the pyloric orifice connecting to the duodenum.
- The fundus of the stomach is the upper curvature, positioned above the gastro-esophageal junction.
- The pylorus is a narrow, muscular canal measuring 1–2 cm, extending from the sulcus to the pyloric orifice.
Digestive System Structure
- The digestive system consists of a hollow muscular tube that stretches from the oral cavity to the anus.
Stomach Curvatures
- The lesser curvature represents a shorter concave border, while the longer convex border is the greater curvature of the stomach.
Central Region
- The main central region of the stomach is called the body, serving as the primary digestive area.
Anatomical Position
- The lesser curvature of the stomach connects to the liver via the lesser omentum.
- The pyloric region of the stomach is located at the level of L1, approximately 2.5 cm to the right of the midline.
Pyloric Region
- The region of the stomach from the incisura angularis to the pylorus delineates the pyloric area, crucial for gastric emptying.
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Description
Test your knowledge of the anatomy of the digestive system including the gastrointestinal tract, stomach, and duodenum. Learn about the structure and function of the hollow muscular tube and various accessory organs such as the salivary glands, liver, pancreas, and gall bladder.
