Assertion: epidermis's cell | /r/HasProperty | replaced
Facets:
value: constantly
type: TEMPORAL
Source sentences:
text: These anucleated cells are resistant to virus attack and are replaced every 15 days, preventing them from becoming a reservoir of infection.
text: The most superficial layer (20-30 cells thick); cells are filled with keratin and referred to as cornified cells; cells rub off easily and are constantly being replaced