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.
Hsien, in Chinese Taoism, is an immortal who has achieved divinity through devotion to Taoist practices and teachings. other well known figures include: Immortal Lu Dong Bin; the Jade Emperor; the Three Purities; and the also-Buddhist Kuan Yin.sien, in Chinese Taoism, is an immortal who has achieved divinity through devotion to Taoist practices and teachings. other well known figures include: Immortal Lu Dong Bin; the Jade Emperor; the Three Purities; and the also-Buddhist Kuan Yin.