1. A rarely used synonym for fistula. 2. A pathologic tubular cavity in the brain or spinal cord. [G. a tube, pipe]
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1) the vocal organ of birds that is a special modification of the lower part of the trachea or of the bronchi or of both
2) a pathological cavity in the brain or spinal cord esp. in syringomyelia
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syr·inx (sirґinks) [Gr. “a pipeâ€] 1. a tube or pipe. 2. fistula. 3. the lower or posterior part of the trachea of birds in which vocal sounds are produced. 4. an abnormal cavity in the spinal cord in syringomyelia.Medical dictionary. 2011.