Abdominal nine divisions (a) and quadrant regions (b)
The abdomen is subdivided into four quadrants and nine areas.
This image illustrates the organs included in the four quadrants and nine regions as described above.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Abdominal Quadrant Regions."
http://en.wikipedia.org/wiki/Anatomical_terminology%23mediaviewer/File:Abdominal_Quadrant_Regions.jpg
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