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Four Quadrants and nine regions of the abdominopelvic cavity

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Nine Regions delineated by four planes and four quadrants.
1) Hypochonadriac ( Right and left)
2) Lumbar ( Right and left)
3) Iliac (Right and left)
4) Epigastric (upper mid)
5) Umbilical (center mid)
6) Hypogastric (Pubic)
Four Quadrants:
Right Upper (RUQ), Left Upper(LUQ), Right lower(RLQ), left lower(LLQ).
umbilical
centermost region, which includes the umbilicus
epigastric
region immediately superior to the umbilical region;
overlies most of the stomach
hypogastric (pubic)
region immediately inferior to the umbilical region;
encompasses the pubic area
iliac (inguinal)
lateral to the hypogastric region and overlying the
superior parts of the hip bones
lumbar
region between the ribs and the flaring portions of
the hip bones; lateral to the umbilical region
hypochondriac
region flanking the epigastric region laterally and
overlaying the lower ribs
right upper
QUAD
liver, gall bladder, part of the stomach, small and
large intestine
left upper
QUAD
part of the stomach, spleen, small and large intestine
right lower
QUAD
appendix, cecum, large and small intestine
left lower
QUAD
large and small intestine
left hypochondriac
REG
mainly the spleen and part of the stomach
epigastric
REG
mainly the stomach and part of the liver
right hypochondriac
REG
mainly the liver and the gall bladder
left lumbar
REG
left kidney, part of the descending colon and
part of the small intestine
umblical
REG
umblicus, small intestine, and part of the
transverse colon
left iliac
REG
part of the sigmoid colon, left ovary, and the
fallopian tubes (in the females)
right lumbar
REG
right kidney and part of the ascending colon
right iliac
REG
appendix, cecum of the ascending colon,
right ovary, and the fallopian tube (in the females)
hypogastric (or pubic)
REG
the uterus (in the females), and the bladder