ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Thoracic vertebra and spinal cord. Coloured axial magnetic resonance imaging (MRI) scan passing through the T9 (ninth thoracic) vertebra in a 36-year-old man. The scan shows the spinal cord (centre) surrounded by cerebrospinal fluid (CSF, white) inside the vertebral canal, as well as the bony structures (upper and lower centre) and surrounding tissues.
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