Assertion: epidermis's cell | /r/HasProperty | filled with keratin
Facets:
value: completely
type: DEGREE
value: to protect the cells
type: PURPOSE
Source sentences:
text: The layers of the epidermis include the stratum basale, which is a single layer of cells immediately above the dermis; the stratum spinosum, which supports the skin; the stratum granulosum, which produces keratin; the stratum lucidum, which protects against harmful ultraviolet rays; and the stratum corneum, which contains dead cells filled with keratin to protect the cells underneath it from drying out.
text: Metabolism ceases, and the cells are almost completely filled by keratin.
text: Cornified cells, the shingle-like dead cell remnants, completely filled with keratin, are referred to as cornified or horny cells.
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