the.com/epidermis
Your body's cling film: waterproof, self-repairing, and replaced every month without asking permission.
means The outer layer of skin that forms a protective barrier over the body.
from From Greek epi- ('upon' or 'over') plus derma ('skin'), the same root that gives us 'dermatology.' The word passed through Latin into English as an anatomical term, built simply to mean 'that which sits on top of the skin' — a plain, literal label for the outermost layer.
- no blood supply
- it feeds entirely off layers beneath it
- cell lifespan
- dead cells shed roughly 40,000 times daily
- color source
- melanin made here, not in deeper skin
- thickness range
- thinnest on eyelids, thickest on soles of feet