Assertion: dermis's layer | /r/MadeOf | keratin
Facets:
value: mostly
type: DEGREE
Source sentences:
text: The hair shaft is divided into two layers: the cuticle or outer layer consists of a single layer of flat, overlapping cells; the cortex or inner layer is made mostly of keratin.
text: The hair shaft is divided into two layers: the cuticle or outer layer consists of a single layer of flat, overlapping cells; the cortex or inner layer is made mostly of keratin.