唐氏症 tángshìzhèng Down syndrome Definitions Defs Origin Strokes Stroke Words Sentences Sents 唐氏症 tángshìzhèng Down syndrome A genetic condition caused by having an extra copy of chromosome 21, resulting in physical and intellectual developmental delays; also called 第21对三体综合症 dì'èrshíyīduìsāntǐzōnghézhèng Cross-References Synonym 第21对三体综合症 dì'èrshíyīduìsāntǐzōnghézhèng
唐氏症 tángshìzhèng Down syndrome A genetic condition caused by having an extra copy of chromosome 21, resulting in physical and intellectual developmental delays; also called 第21对三体综合症 dì'èrshíyīduìsāntǐzōnghézhèng Cross-References Synonym 第21对三体综合症 dì'èrshíyīduìsāntǐzōnghézhèng
