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It’s a transverse section so it’s not really ‘top down’ or ‘bottom up’. It’s a thin slice where the densities of the tissue is calculated by sending through X-rays from around the body and measuring how much gets trough from each angle and then letting a computer do some fancy math.

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Madison420@lemmy.world ⁨1⁩ ⁨year⁩ ago
Top down is easier to explain to people then transverse so I said top down instead.

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- AnUnusualRelic@lemmy.world ⁨1⁩ ⁨year⁩ ago
  Well, it could be bottom up…
  
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  - MyNameIsIgglePiggle@sh.itjust.works ⁨1⁩ ⁨year⁩ ago
    Could have been side on and fancy math
    
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  - Madison420@lemmy.world ⁨1⁩ ⁨year⁩ ago
    Correct, and I could have used bottom up as the analogy as well, I just think to down since that’s the way they go through ct’s and mris when I get them done.
    
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