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Home > All Images > 2002 > June > 7 Jun 2002

Images Dated 7th June 2002

Choose from 19 pictures in our Images Dated 7th June 2002 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Coloured SEM of a split human head hair Featured 7 Jun 2002 Image

Coloured SEM of a split human head hair

Split hair. Coloured scanning electron micrograph (SEM) of a split human head hair. Here, the hair has split midway along the shaft, rather than at the end. Hair is made up of a fibrous protein (keratin). It consists of three layers: an outer layer or cuticle, scaly in normal hair but lost in this damaged specimen; a cortex (visible) containing hair colour pigments; an inner medulla or core (not seen). Hair may split due to excessive shampooing, bleaching, combing, or blow- drying. Occasionally, brittle hair can be a sign of severe vitamin or mineral deficiency. Magnification: x160 at 6x4.5cm size

© DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY