Sjmarf@sh.itjust.works to pics@lemmy.world · edit-222 days agoHypodermic needle with red blood cells under an electron microscopesh.itjust.worksexternal-linkmessage-square28fedilinkarrow-up117arrow-down10file-text
arrow-up117arrow-down1external-linkHypodermic needle with red blood cells under an electron microscopesh.itjust.worksSjmarf@sh.itjust.works to pics@lemmy.world · edit-222 days agomessage-square28fedilinkfile-text
minus-squarejordanlund@lemmy.worldlinkfedilinkarrow-up4·21 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-square【J】【u】【s】【t】【Z】@lemmy.worldlinkfedilinkarrow-up1·edit-219 days agoHoly shit. I noticed that too and thought that must be one of the ones that hurts going in, figured it was from when they draw the medicine into the syringe, or maybe even from taking the cap off.
minus-squaresome_guy@lemmy.sdf.orglinkfedilinkarrow-up1·19 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!
There are other reasons.
Holy shit. I noticed that too and thought that must be one of the ones that hurts going in, figured it was from when they draw the medicine into the syringe, or maybe even from taking the cap off.
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.