Syringomyelia (SM) is a disease in which there is a syrinx, or cyst, in the spinal cord. The syrinx is filled with cerebrospinal fluid (CSF). Due to normal activities like coughing and straining, SM cavities can slowly become larger over a period of time, often years.
Freebase(0.00 / 0 votes)Rate this definition: Darien. Darien is a town in Fairfield County, Connecticut, United States. A relatively small community on Connecticut's Gold Coast, the population was 20,732 at the 2010 census. Darien was listed at #9 on CNN Money's list of top-earning towns in the United States as of 2011.
History[edit] The first people to settle in Darien came from New England via the Erie Canal and Great Lakes. Among the first to arrive was the Andres Neiman family. They settled along an old stagecoach line in 1835. Andres served as Justice of the Peace, Town Clerk, Assessor, Dog Catcher, and County Commissioner.