This phenomenon is known as the "translation gap." An is designed specifically to close this gap. It teaches the student how to interpret the raw data of the living body. Instead of looking at a drawing of a liver, the student sees a CT scan of a liver, learning to distinguish the hepatic veins from the portal triads based on density and contrast, rather than color.
The brain is the most complex structure in the universe, and it is also the most unforgiving. An imaging atlas of the brain must differentiate between nuclei that are millimeters apart. imaging atlas of human anatomy
When looking at an axial (cross-sectional) scan of the abdomen, you should scan in a spiral: This phenomenon is known as the "translation gap