TIL "pruney fingers" are not caused by your skin swelling from absorbing water. They're actually caused by your nervous system constricting the blood vessels in the skin, causing them to shrink and the skin to fold over them. bbc.com Submitted by OverdriverJC t3_10y6pwt on February 9, 2023 at 9:26 PM in todayilearned 59 comments 604
Infinite_Position_27 t1_j800jku wrote on February 10, 2023 at 4:58 PM That actually makes sense, because I recently saw a picture where someone with a severed nerve in their finger showed that the affected finger didn't prune up. Permalink 1
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