| neural tube defect |
An abnormality where the spine has not closed over the central nervous tissue. If this 'lesion' is at the head, the condition is called anencephaly and is incompatible with life. If it occurs anywhere lower down the spine it is called spina bifida and results in varying degrees of physical and mental disability. Detailed ultrasound scanning is the way in which these abnormalities are confirmed, often following a raised AFP blood test. ...
출처: www.arc-uk.org/glossaryofterms/glossaryofterms.htm
|
|---|