**Gray, SD. Cellular physiology of the vocal folds. The Otolaryngologic Clinics of North America. V.30. No. 4. pp 679-98. Aug 2000. The vocal folds are made up of three major layers from deep to superficial: 1.
As of 1 January 2017, the population of Russian Federation was estimated to be 146,389,999 people. This is an increase of 0.04 % (59,995 people) compared to population of 146,330,004 the year before. In 2016 the natural increase was negative, as the number of deaths exceeded the number of live births by 168,280.
1 The population density in Russia is 8 people per Km2. 2  74% of the population is urban (105,911,587 people in 2014). 3  The median age in Russia is 38.4 years.