Scanning electron microscopy of the hair medulla of orangutan, chimpanzee, and man

@article{Chernova2014ScanningEM,
  title={Scanning electron microscopy of the hair medulla of orangutan, chimpanzee, and man},
  author={Olga F Chernova},
  journal={Doklady Biological Sciences},
  year={2014},
  volume={456},
  pages={199-202}
}
  • O. F. Chernova
  • Published 2014
  • Biology, Medicine
  • Doklady Biological Sciences
Human and animal hairs are studied in various fields of knowledge, from evolutionary biology to criminology, and these studies have both theoretical and practical implications. At the level of the light� optical microscopy, the hair structure of humans and various mammalian species has been well studied; there are numerous atlases and descriptions; diagnos� ing of animal species and human races is now possible. The published data suggest that hair cuticle and cortex are similar in humans and… Expand
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A Study of Selected Physicomechanical and Histological Parameters of Hair Originating from Three Primate Species
TLDR
Hairs from various primate species differ in terms of their morphological structure and histological features and thus can be used for differentiation and identification of species. Expand
Hair histology as a tool for forensic identification of some domestic animal species
Animal hair examination at a criminal scene may provide valuable information in forensic investigations. However, local reference databases for animal hair identification are rare. In the present… Expand
Nanoindentation of Hair Cortex and Medulla Regions
Reports related to cuticle damage and hair’s mechanical properties are of interest to dermatologists in treatment of hair disorders. Apart from tensile test, few studies were reported on mechanical… Expand
Using hybrid atomic force microscopy and infrared spectroscopy (AFM-IR) to identify chemical components of the hair medulla on the nanoscale.
TLDR
By analysing the carbonyl stretching region, it was established that the fibrillar, cortical cell-like components showed considerable stabilisation from H-bonding interactions, similar to the cortex, involving amino acid side-chains whereas, in contrast, the vacuoles were found to only be stabilised significantly by structural lipids. Expand

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It is concluded the ultrastructural morphology of the medulla is characteristic of the genus but, with present knowledge, cannot serve as a basis for individual identification. Expand
The Advantages of the Scanning Electron Microscope in the Investigative Studies of Hair
Lynn Ellen Verhoeven is a member of the staff of Alpha Research & Development, Inc., Blue Island, Illinois where she is engaged in Scanning Electron Microscopy research in biological, physical and… Expand
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Using low-angle synchrotron radiation to examine human scalp hair the authors have obtained discrete equatorial diffraction maxima which have not been reported previously, revealing the information that the hair fibres consist basically of cylindrical fibrils arranged in a disordered lattice. Expand
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The human lineage apparently had experienced a large reduction in effective population size after its separation from the chimpanzee lineage, suggesting that the gorilla lineage branched off 1.6 to 2.2 million years earlier than did the human-chimpanzee divergence. Expand
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