Figure 44-5 Radiographs of A, a barium swallow, or upper Gl; and B, a barium enema, or lower GI. NOTE Fluoroscope images appear black on white, the reverse of the white-on-black images shown here.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Figure 44-5**: Radiographs of A, a barium swallow, or upper GI; and B, a barium enema, or lower GI. **Note**: Fluoroscope images appear black on white, the reverse of the white-on-black images shown here.

### Radiograph A (Barium Swallow - Upper GI):
1. **Esophagus**
   - The passage connecting the mouth and stomach.
2. **Stomach**
   - The organ where digestion begins.
3. **Duodenum**
   - The first section of the small intestine.
4. **Jejunum**
   - The second part of the small intestine following the duodenum.

### Radiograph B (Barium Enema - Lower GI):
5. **Ascending Colon**
   - The first part of the colon located on the right side of the abdomen.
6. **Transverse Colon**
   - The section of the colon that runs across the abdomen.
7. **Descending Colon**
   - The part of the colon that travels down the left abdomen.
8. **Sigmoid Colon**
   - The S-shaped last part of the colon leading to the rectum.
9. **Rectum**
   - The final section of the large intestine.

### Additional Explanation:
The compass symbol between the radiographs indicates standard anatomical directions:
- **S** (Superior)
- **I** (Inferior)
- **R** (Right)
- **L** (Left)

These images demonstrate the path of barium contrast during medical imaging to visualize and assess the condition of the digestive tract.
Transcribed Image Text:**Figure 44-5**: Radiographs of A, a barium swallow, or upper GI; and B, a barium enema, or lower GI. **Note**: Fluoroscope images appear black on white, the reverse of the white-on-black images shown here. ### Radiograph A (Barium Swallow - Upper GI): 1. **Esophagus** - The passage connecting the mouth and stomach. 2. **Stomach** - The organ where digestion begins. 3. **Duodenum** - The first section of the small intestine. 4. **Jejunum** - The second part of the small intestine following the duodenum. ### Radiograph B (Barium Enema - Lower GI): 5. **Ascending Colon** - The first part of the colon located on the right side of the abdomen. 6. **Transverse Colon** - The section of the colon that runs across the abdomen. 7. **Descending Colon** - The part of the colon that travels down the left abdomen. 8. **Sigmoid Colon** - The S-shaped last part of the colon leading to the rectum. 9. **Rectum** - The final section of the large intestine. ### Additional Explanation: The compass symbol between the radiographs indicates standard anatomical directions: - **S** (Superior) - **I** (Inferior) - **R** (Right) - **L** (Left) These images demonstrate the path of barium contrast during medical imaging to visualize and assess the condition of the digestive tract.
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