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

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