JEAN-DENIS LAREDO / ISM / SCIENCE PHOTO LIBRARY JEAN-DENIS LAREDO / ISM / SCIENCE PHOTO LIBRARY
Thighs. Magnetic resonance imaging (MRI) scan of an axial section (from above) through the thighs of a healthy 81 year old man. At top are the quadriceps (anterior leg muscles) and at bottom are the hamstrings (posterior leg muscles). The femur (thigh) bones are white.
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