this post was submitted on 20 Jul 2023
78 points (100.0% liked)

science

14722 readers
837 users here now

just science related topics. please contribute

note: clickbait sources/headlines aren't liked generally. I've posted crap sources and later deleted or edit to improve after complaints. whoops, sry

Rule 1) Be kind.

lemmy.world rules: https://mastodon.world/about

I don't screen everything, lrn2scroll

founded 1 year ago
MODERATORS
m3t00@lemmy.world
Joleee@lemmy.world
laverabe@lemmy.world
DeadPand@midwest.social
78
TIL before CT and MRI’s were available, doctors used to replace the fluid in and around the brain with air to do imaging with X-rays. (en.wikipedia.org)
submitted 1 year ago by thalamus@lemmy.world to c/science@lemmy.world
21 comments fedilink hide all child comments
 

cross-posted from: https://lemmy.world/post/1779005

Apparently this was done because air captures less X-rays than CSF and thus creates more contrast with brain tissue compared to the cerebrospinal fluid.

Unfortunately this was pretty painful and uncomfortable.

you are viewing a single comment's thread
view the rest of the comments
[–] thalamus@lemmy.world 1 points 1 year ago

For anyone specifically interested in neuroscience: we’re trying to create a neuroscience community over at: !neuro@lemmy.world