**Author details**

Vsevolodov Eduard Borisovich

Address all correspondence to: eduardvsevolodov@mail.ru

Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty, Kazakhstan

#### **References**


**Abbreviations**

78 Hair and Scalp Disorders

F Hair follicle K Keratins

Kl "Keratin-like" proteins IS Hair inner root sheath OS Hair outer root sheath

**Author details**

Kazakhstan

**References**

pp. 163-170.

Dermatol., 2015, pp. 1-124.

Vsevolodov Eduard Borisovich

Address all correspondence to: eduardvsevolodov@mail.ru

crossed polaroids (dark background) of "NU" Carl Zeiss microscope.

Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty,

**Figure 10.** Polarization microscopy picture of the lower end of the sheep hair which appeared as the result of local X-irradiation of the skin by epilation doze (500 sZv). No "club" or brush-like structures could be seen. White "shining" is caused by the capacity of the very dense keratin regular structure to turn the plane of light polarization between two

[1] Vsevolodov, E.B., Volosyanye follikuly (Hair Follicles), Alma-Ata: Nauka, 1979, pp. 1-190.

[2] Rogers, G.E., Hair follicle differentiation and regulation, Int. J. Dev. Biol., 2004, vol. 48,

[3] Oh, J.W., et al., A guide to studying human hair follicle cycling in vivo, J. Invest.

