Sjmarf@sh.itjust.works to pics@lemmy.world · edit-26 days agoHypodermic needle with red blood cells under an electron microscopesh.itjust.worksimagemessage-square24fedilinkarrow-up14arrow-down10file-text
arrow-up14arrow-down1imageHypodermic needle with red blood cells under an electron microscopesh.itjust.worksSjmarf@sh.itjust.works to pics@lemmy.world · edit-26 days agomessage-square24fedilinkfile-text
minus-squarejordanlund@lemmy.worldlinkfedilinkarrow-up2·5 days agoSee that little hook at the point? This is from penetrating skin ONCE. This is why you don’t re-use needles folks!
minus-squaresome_guy@lemmy.sdf.orglinkfedilinkarrow-up1·3 days agoI can’t believe it’s that fine or how easily human skin can bend it. I guess our skin is a better protector than I’d given credit. All these images are super interesting and I’m truly glad they got posted.
See that little hook at the point? This is from penetrating skin ONCE.
This is why you don’t re-use needles folks!
I can’t believe it’s that fine or how easily human skin can bend it. I guess our skin is a better protector than I’d given credit.
All these images are super interesting and I’m truly glad they got posted.
There are other reasons.