hmmm

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hmmm (lemmy.world)

submitted 3 months ago by [email protected] to c/[email protected]

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[–] [email protected] 8 points 3 months ago (1 children)

Are you implying that your fingernails were never cells of your body? How does that work?

[–] [email protected] 16 points 3 months ago* (last edited 3 months ago) (2 children)

Well I'll have to look it up now, but I see it as a substance produced by the body that isn't made of cells itself. Like any of the other excretions and things the body makes.

Edit: apparently both your nails and hair are mostly made of keratin, but keratin isn't produced and excreted to produce the nail and hair structures like a playdough factory like I imagined. Special cells are produced that are primarily keratin and they are added to like a chain and die/harden as they are pushed out from the body.

[–] [email protected] 3 points 3 months ago

That is absolutely fascinating. I had the same assumption.

[–] activ8r 3 points 3 months ago

Damn, well that is interesting