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.
Read more about Hair: Overview, Description, Function, Evolution, Removal Practices, Social Role
Famous quotes containing the word hair:
“O Time and Change!—with hair as gray
As was my sire’s that winter day,
How strange it seems, with so much gone
Of life and love, to still live on!
Ah, brother! only I and thou
Are left of all that circle now,—
The dear home faces whereupon
That fitful firelight paled and shone.”
—John Greenleaf Whittier (1807–1892)
“And now he comes again with clatter of stone,
And mounts the wall again with whited eyes
And all his tail that isn’t hair up straight.”
—Robert Frost (1874–1963)
“Far far from gusty waves, these children’s faces.
Like rootless weeds the torn hair round their paleness.”
—Stephen Spender (1909–1995)