Gridiron games

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Across
  1. 3. “Double density” benign lesion on bone scan (2 words)
  2. 8. Competitor of positron decay (2 words)
  3. 10. Like a brain macrophage
  4. 11. F18 Sodium fluoride uptake via _____ diffusion
Down
  1. 1. This beta-blocker gets flagged for interference of MIBG
  2. 2. “Huddled” genes; condensed and inactive
  3. 4. Syringe shield 511 keV “blocker”
  4. 5. Rare developmental disorder with microgyria and clefts lined with gray matter
  5. 6. The IVC is out, so don’t get irate when you see Tc99m MAA here (2 words)
  6. 7. Visualization of the superior sagittal sinus signifies the beginning of this (2 words)
  7. 9. Cells that clear radiocolloids from circulation