我的位置：首页 >> 健康频道 >> 健康知识

???

??

???

??

???????

? ??

?

?

?????????????L??????????????????????????????????????????????????????????

?????

?????????????????????????????

???????????????????????????

???????????90????????????????

???????????????????????????
?
?????????????????????????????????????????

??????????????????????????
?
??????????????????????????????

???????????????????
????1?2??3??4?5??6?7?8?

???????????
????
??3421
??????????????????????????10.618
?
?????

????
???...

“???” 的相关文章

??????

1.? ???????????????????????????????????????????????Brushfield?????????1/3??????????????????????????????????????????????

2.? ??50??????????????????????????????????????

3.? ??????????????????????????

4. ???X??????????????68??????X????????????????????2??12??????

5.? ??????5??50?15??38???????21?...

????

??1??6???67????1?2?202?6???18?2??1??2??1?2?3???18-22?????????32?2832 ? ?23???30???
?? 2010-02-03 09:59 ???????

??? 2010-02-03 10:12 ?????????????z????????
?????????
??????????????????????????1625?????54%????44%??2.5
?????...

?????

??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????X?????????????????
?
?
?,?,?,?

??????

??Wisdom Tooth?????????????20?????????????????????? ???????????J??????????1???????????????????????.???????????????.?????????????28???4??32????!2?????????????????????????????????????????????????????????????????????????4???4??20??????????????????????????????????????????3????????????????4???16?????????...

??

?? ?? 1 ?? 1 ? ? ??21?21-Trisomy???????????1846Seguin1866??Down??Down\'s syndrome1959?Lejeune????????21?21? 21??????????????? 1.45???1/700???????????32?????????????????????21??????35????1/3004045?1/10045?1/50?????????21??????-Isuperoxide dismutase-ISOD-1?SOD-1?1.021?0.521?1.5SOD-1?1.5???????? ?? ??...