The 9 abdominal regions and the 4 abdominal quadrants

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The locations of the abdominal regions and quadrants and the organs within them.

Right upper quadrant

contains liver, gallbladder, duodenum, head of pancreas, right kidney and adrenal, hepatic flexure of colon, part of ascending colon, transverse colon. The RUQ is seen from the subject's point of view.

Left upper quadrant

contains the stomach, spleen, part of the pancreas, parts of the small and large intestines. The LUQ is seen from the subject's point of view.

Right lower quadrant

contains parts of the small and large intestines, right ovary, right fallopian tube, appendix, right ureter. The RLQ is seen from the subject's point of view.

Left lower quadrant

contains part of descending colon, sigmoid colon, left ovary and tube, left ureter, left spermatic cord. The LLQ is seen from the subject's point of view.

Right hypochondriac region

top right region; most of the liver, gallbladder as seen from the subject's point of view.

Left hypochondriac region

top left region; Stomach. The left hypochondria region is seen from the subject's point of view.

Right lumbar region

middle right region; ascending colon, r. kidney, as seen from the subject's point of view.

Left lumbar region

middle left region;, descending colon, L. kidney, smal intestine as seen from the subject's point of view.

Right iliac region

bottom right region; Cecum, Appendix as seen from the subject's point of view

Left iliac region

bottom left region as seen from the subject's point of view.

Epigastric region

Top center region; lying on or over the stomach

Umbilical region

The centermost region, which includes the umbilicus

Hypogastric region

Lower middle region beneath the navel

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