| 21. | As with an amniocentesis, analysis can detect neural tube defects and genetic disorders.
|
| 22. | There are genetic as well as dietary factors that cause neural tube defects.
|
| 23. | Neural tube defects are among the most common and most destructive birth defects.
|
| 24. | The neural tube gives rise to both brain and spinal cord.
|
| 25. | Hyperhomoscyteinemia has also been associated with early pregnancy loss and with neural tube defects.
|
| 26. | These are the most common forms of what are known as neural tube defects.
|
| 27. | Both originate from the embryonic neural tube and are located between the two siphons.
|
| 28. | In spina bifida, the neural tube fails to close properly at the lower end.
|
| 29. | Higher-than-normal levels are associated with neural tube defects, and lower-than-normal levels with Down syndrome.
|
| 30. | In the central nervous system, glia develop from the ventricular zone of the neural tube.
|
