A three-dimensional animation of the hair shaft, illustrating its structure in layers. The outermost layer is the keratin cuticle, followed by the cortex, and finally the medulla. Stock Video

Hair under microscope. Structure of hair, consisting of keratin cells that form outer layer called cuticle, medulla in core and cortex, which forms main part of the hair. 400x times magnification

What protein structure is keratin? - TimesMojo

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The biology of the skin barrier: the eczema connection.

Nanba et al (Ehime University) show how keratinocyte stem cell colonies can be identified by analyzing cell motion as a quality control measure for transplantation. This video shows the collective motion dynamics of keratinocytes in a progressively growing colony. Watch more! http://ow.ly/LV0qy | Journal of Cell Biology