Colorized scanning electron micrograph of a single strand ofknotted hair. Hair is made of newly produced cells that are pushed near the bulb. They are pushed up to the surface, wh ere they die and their cytoplasm is replaced with protein keratin.
Credit
Ryder-Jason Burns
Dimensions
3614 x 2465 pixels
Print Size @ 300 dpi
12 x 8 inches / 31 x 21 cm