Quadrants of the Abdomen

Liver: right lobe of the liver is located here.
Gallbladder: situated in the RUQ, involved in bile storage.
Stomach: particularly the pylorus, the lower section connecting to the duodenum.
Duodenum: comprises parts 1 through 3 of the small intestine, significant in nutrient absorption.
Pancreas: the head of the pancreas is found in this quadrant, essential for digestive enzyme secretion and insulin production.
Right Suprarenal Gland: responsible for producing hormones such as adrenaline and cortisol.
Right Kidney: located in the posterior part of this quadrant; plays a key role in filtering blood and waste removal.
Right Colic (Hepatic) Flexure: the bend of the colon near the liver.
Ascending Colon: superior part of the ascending colon is within this quadrant.
Transverse Colon: the right half is positioned here.

Liver: left lobe of the liver is situated in this quadrant.
Spleen: an organ involved in blood filtration and immune response.
Stomach: the overall body of the stomach is present in this quadrant.
Jejunum and Proximal Ileum: initial sections of the small intestine, involved in nutrient absorption.
Pancreas: encompasses the body and tail of the pancreas.
Left Kidney: located similarly to the right kidney but in the left area; plays a crucial role in renal function.
Left Suprarenal Gland: similar functions to the right gland, located in the left side.
Left Colic (Splenic) Flexure: the bend of the colon near the spleen.
Transverse Colon: the left half is organized here.
Descending Colon: superior part located in this quadrant.

Cecum: the beginning of the large intestine.
Vermiform Appendix: a tube-shaped sac attached to the cecum, associated with immune function.
Most of Ileum: the latter part of the small intestine.
Ascending Colon: inferior part situated here.
Right Ovary: contains follicles that produce eggs in females.
Right Uterine Tube: connects the ovaries to the uterus.
Right Ureter: abdominal part responsible for urine transport from the kidney to the bladder.
Right Spermatic Cord: abdominal part, contains vessels and nerves serving the testes.
Uterus: if enlarged, can be found in this quadrant.
Urinary Bladder: if very full, can also be located here.

Sigmoid Colon: part of the large intestine leading to the rectum.
Descending Colon: inferior part located here.
Left Ovary: analogous functions to the right ovary.
Left Uterine Tube: complements the right uterine tube in function and location.
Left Ureter: abdominal part serving similar purpose as the right ureter.
Left Spermatic Cord: abdominal part containing vessels and nerves for the left testis.
Uterus: enlarged status still applicable in this quadrant.
Urinary Bladder: can be found if very full.