Four Regions of Abdominal Quadrants and their Organs

Abdominal Quadrants

Abdominal Quadrants



The abdomen is the area between the chest and pelvis. It’s commonly known as the belly.

This area contains different organs including the digestive organs as well as the spleen and kidneys.

Since it contains several organs, the abdomen is divided into four regions also known as abdominal quadrants.

Knowing these abdominal quadrants is important because it can help the doctors determine the cause of abdominal problems faster and easier.

These four regions of the abdominal area each include specific organs. If pain is felt in any of those parts, the doctor will immediately have an idea on which organ to focus on for the checking and treatment.

These four regions have their names and are more popular with their initials. These are the right upper quadrant or RUQ, left upper quadrant or LUQ, right lower quadrant or RLQ and left lower quadrant or LLQ.




Determining these regions can be done by putting a vertical line crossing the navel and a horizontal line also crossing the navel. After putting these two lines, you’ll have intersecting lines with four areas on upper right, upper left, lower left and lower right which are the abdominal quadrants.

Right upper quadrant

The RUQ organs include the section of transverse and ascending colon, hepatic flexure of colon, duodenum, right adrenal gland, liver, upper lobe of right kidney, head of the pancreas and gallbladder.

Left upper quadrant

The LUQ organs include spleen, left adrenal gland, pancreas, upper lobe of left kidney, section of transverse and descending colon, lower part of liver, stomach and splenic flexure of colon.

Right lower quadrant

The RLQ organs include appendix, lower lobe of right kidney, cecum, right ureter, right fallopian tube and ovary for female, right spermatic cord and section of ascending colon.

Left lower quadrant

Lastly, the LLQ organs include left fallopian tube and ovary for female, left spermatic cord for male, section of descending colon, left ureter, lower lobe of left kidney and sigmoid colon.


If you feel pain on your abdomen, you’ll now know how to determine which part of the abdominal quadrants is hurting when the doctor asks you so. This will help greatly in getting to the main cause of pain.

Left lower quadrantWikipedia: The left lower quadrant (abbreviated LLQ) of the human abdomen is the area left of the midline and below the umbilicus.

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