| 单词 | parasympathetic nervous system | 
| 释义 | parasympathetic nervous system [¦par·ǝ´sim·pǝ`thed·ik `nǝr·vǝs ´sis·tǝm]  ANATOMY The craniosacral portion of the autonomic nervous system, consisting of preganglionic nerve fibers in certain sacral and cranial nerves, outlying ganglia, and postganglionic fibers.  | 
	
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