| 单词 | trisomy 21 | 
| 释义 | trisomy 21n.Down syndrome Words nearby trisomy 21trisodium phosphate, trisome, trisomic, trisomy, trisomy 13, trisomy 21, trisomy 21 syndrome, trispast, trispermous, trisplanchnic, Tristan The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for trisomy 21trisomy 21  See  Down syndrome. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.  | 
	
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