the.com/pallor

Skin cashing out its blood supply early, usually right before you faint or lie badly.

means An unnatural paleness of the face, usually from fear, illness, shock, or blood loss.

from From Latin pallor, 'paleness,' rooted in the verb pallere, 'to be pale.' That root also gave English 'pale' itself, so the two words are siblings from the same Latin family rather than coincidental look-alikes.

vasoconstriction
blood vessels near skin literally narrow, redirecting flow inward
etymology
from latin pallere, to be pale
clinical tell
doctors check gums and eyelids, not just face
fear response
fight or flight diverts blood from skin to muscles
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