1. periosteum-a dense fibrous membrane covering the surface of bones (except at their extremities) and serving as an attachment for tendons and muscles; contains nerves and blood vessels that nourish the enclosed bone.cambium-the inner layer of the periosteum.erâ¢iâ¢osâ¢teâ¢um. the dense, fibrous connective layer of tissue covering all bones except where ligaments attach and on the surfaces of joints. periosteon, n. use of neuter of Greek periosteos periÃ³steos around the. Bones see -, peri -]. osteo`perâ¢iâ²osâ¢te, al`perâ¢iâ²osâ¢te, ous. adj`perâ¢iâ²osâ¢teâ¢al, ly. adv
Last official estimated population of Washington was 7,170,351 (year 2015)[1]. This was 2.2% of total US population. Area of Washington is 71,298.0 miÂ² (=184661 kmÂ²), in this year population density was 100.57 p/miÂ². If population growth rate would be same as in period 2010-2015 (+1.29%/yr), Washington population in 2017 would be 7,356,844*.
With an estimated 684,451 residents as of 2015, Seattle is the largest city in both the state of Washington and the Pacific Northwest region of North America. In July 2013, it was the fastest-growing major city in the United States and remained in the Top 5 in May 2015 with an annual growth rate of 2.1%.