Assertion: epidermis's keratinocyte | /r/HasProperty | keratin cells
Facets:
Source sentences:
text: Most cells of the epidermis are keratinocytes (keratin cells), which produce keratin , the fibrous protein that makes the epidermis a tough protective layer.
text: Most cells of the epidermis are keratinocytes (keratin cells), which produce , the fibrous protein that makes the epidermis a tough protective layer.