This study suggests that holes found in mature hair fibers may be linked to daily hair care actions and the removal of extractable substances.
August 1989 in “Proceedings ... annual meeting, Electron Microscopy Society of America/Proceedings, annual meeting, Electron Microscopy Society of America” This microscopy study examined the non-keratinous regions of human hair fibers, revealing detailed morphology that could help understand how external influences affect hair structure.
2 citations
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May 2012 in “Acta pharmaceutica sinica B” This study examined the microscopic characteristics of hair or feather in five animal drug components of the Shenrongbian pill, identifying distinctive medulla cell shapes and hair cuticle patterns for each component.
14 citations
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May 2008 in “Journal of Visualized Experiments” This article details a protocol for isolating and culturing embryonic neural crest stem cells from the whisker follicles of adult mice.
15 citations
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October 2004 in “Colloids and surfaces. B, Biointerfaces” This study describes the presence of holes in hair fibers, absent in hair follicles, likely forming from daily care actions and removal of extractable substances.