anencephaly

基本解釋

Anencephaly is absence of the fetal cranial vault.
無腦兒是胎兒顱穹窿缺陷。
The absence of the fetal cranial vault in anencephaly is shown here.
無腦兒顯示胎兒顱穹窿缺陷。
The rate of anencephaly is now less than 1 in 10,000 live births in some places.
目前在一些地方新生無腦兒發(fā)病率低於1/10000。
The highest of neural tube defects is spina bifida,then is anencephaly encephalocele,and so on.
發(fā)生率最高的神經(jīng)琯畸形是脊柱裂,其他依次爲(wèi)無腦畸形、腦膨出、小頭畸形。
Although the rate of anencephaly decreased 36% from 1991 to 1995, it did not change significantly from 1995 to 2005.
無腦癥比率從1991至1995年減少36%25，1995至2005年間則無顯著改變。

a condition in which someone is born without part of their brain and the back of their skull