This is a set of scans of some fruits and vegetables in a Magnetic Resonance Imaging (MRI). 

  1. Cucumber.
  2. Pomegranate.
  3. Onion.
  4. Tangerine.
  5. Starfruit or Carambola.
  6. Kiwi (axial slice).
  7. Kiwi (sagital slice).
  8. Tomato (axial slice).
  9. Tomato (sagital slice).

Magnetic Resonance Imaging is a medical imaging technique to acquire images from the human body —vegetables and fruits also =) —, and it is completely harmless (no radiation). If well applied, you can virtually scan any part of the human body. 

Those scans were made, when I was in college, being able to play around with an MRI. Yeah MRIs are fun =)