Sherwood is a city in Washington County, Oregon, United States. Located in the southeast corner of the county, it is a residential community in the Tualatin Valley southwest of Portland. As of the 2010 census, Sherwood had a population of 18,194 residents. The city's population for 2014 was estimated to be 18,978 by the U.S. Census.
arthrology definition: Noun (uncountable) 1. (anatomy) The branch of anatomy dealing with the joints...
An arthropod is an invertebrate animal having an exoskeleton (external skeleton), a segmented body, and jointed appendages. Arthropods are members of the phylum Arthropoda (from Greek á¼ÏÎ¸ÏÎ¿Î½ Ã¡rthron, joint, and ÏÎ¿Î´ÏÏ podÃ³s leg, which together mean jointed leg), and include the insects, arachnids, and crustaceans.