Technical Information

Additional Information

Footage ID#
4837215
Model Released
Property Released
Matte attached
Alpha channel
Seamless Looping
Duration
00:00:22
Frame Rate
25 FPS
Audio
none
Number of Views
91
Date Uploaded
6 May 2011
Date Created
1 Jun 2009

Description

Hair. Coloured scanning electron micrograph (SEM) of hairs (yellow) emerging from skin. The surrounding layer of skin (pink brown) has a typically scale-like surface. Hairs grow from follicles in the underlying layer of the skin (the dermis). The portion of the hair emerging from the skin is made up of dead tissue. The outside of the hair, the cuticle (yellow), is covered in modified overlapping scales and protects the central cortex. The central cortex is made up of the fibrous protein keratin (not seen), which acts as a structural element. Hair grows at a maximum rate of 15 centimetres a year.

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