Abdominal Quadrant Anatomy

Right Upper Quadrant:

• Right lobe of the liver

• Gallbladder

• Right kidney (upper pole)

Epigastric Region:

• Left lobe and part of the right lobe of the liver

• Pylorus and lesser curvature of the stomach

• Duodenum (1st and 2nd parts)

• Body and head of the pancreas (upper portion)

• Right and left adrenal glands

Left Upper Quadrant:

• Body and fundus of the stomach

• Splenic flexure of the colon

• Left kidney (upper 2/3)

• Tail of the pancreas

Right Flank:

• Ascending colon

• Right colic flexure

• Right kidney (lower pole)

• Part of the small intestine

Umbilical Region:

• Middle portion of the transverse colon

• Bifurcation of the abdominal aorta and inferior vena cava

Left Flank:

• Descending colon

• Left kidney (lower 1/3)

• Another part of the small intestine

Right Inguinal Region:

• Lower part of the cecum

• Appendix

Hypogastric Region:

• Urinary bladder

• Part of the sigmoid colon

Left Inguinal Region:

• Junction of the left colon and sigmoid colon