Hair is a filamentous biomaterial, that grows from follicles found in the dermis. Hair is one of the defining characteristics of mammals.
The human body, apart from areas of glabrous skin, is covered in follicles which produce thick terminal and fine vellus hair. Most common interest in hair is focused on hair growth, hair types and hair care, but hair is also an important biomaterial primarily composed of protein, notably keratin. In many human societies, women predominantly grow the hair on their head long while men cut theirs short.
Famous quotes containing the word hair:
“When the galactic sea was sucked
And all the dry seabed unlocked,
I sent my creature scouting on the globe,
That globe itself of hair and bone....”
—Dylan Thomas (19141953)