what is the difference between fundamental quantities from derived quantities? Nature itself doesn't have fundamental or derived quantities. We have choices of units with more or less direct ties to things we measure. In modern systems of units, we try to simplify things by making units for different quantities have simple relations.
The left lower quadrant (LLQ) contains the distal descending colon, the sigmoid colon and the left ureter. Depending on the sex of the individual, both the left and right lower quadrants contain either an ovary, a uterine tube, a ductus deferens, the uterus and the urinary bladder.
located in the right upper quadrant; gallbladder is connected to the common bile duct via the cystic duct; it both stores and concentrates bile; pain from the gallbladder may be referred to the right upper quadrant or to the right shoulder: gallbladder, body of: the main part of the gallbladder: body of the gallbladder lies in the bed of the gallbladder, between the right and quadrate lobes of the liver: gallbladder, fundus of: expanded inferior part of the gallbladder