The Chiari I malformation, also known as the Arnold-Chiari malformation, is a relatively common syndrome caused by displacement of the cerebellar tonsils below the level of the foramen magnum. Associated with the Chiari malformation may be hydrocephalus, spina bifida, and syringomyelia.he type I Chiari malformation consists of caudal displacement of the cerebellar tonsils at least 3 mm into the upper cervical spinal canal. This type of herniation may be asymptomatic. The type II Chiari has a meningomyelocele (spinal opening). Type III has an encephalocele.
Silverdale is a census-designated place (CDP) in Kitsap County, Washington, in the United States. The population was 19,204 at the 2010 census. Despite many attempts at incorporation, Silverdale remains an unincorporated community.
Ferndale is a city in Humboldt County, California, United States. Its population was 1,371 at the 2010 census, down from 1,382 at the 2000 census. The city contains dozens of well-preserved Victorian storefronts and homes. Ferndale is the northern gateway to California's Lost Coast and the city, which is sited on the edge of a wide plain near the mouth of the Eel River, is also located near the extensive preserves of Coast Redwood forests.