21. I just read the article on anencephaly as it was mentioned in a news item I was reading. 22. Failure of the lamina terminalis to close properly at this stage of development will result in anencephaly or meroencephaly. 23. Folic acid also helps prevent the fatal defect anencephaly , a failure of the brain and spinal cord to develop. 24. In Georgia, 292 babies were born with spina bifida and anencephaly between 1990 and 1996, state statistics show. 25. Teresa Salazar of Brownsville found out when she was pregnant in 1991 that the child she was carrying had anencephaly . 26. The most severe type of anencephaly where area cerebrovasculosa and area medullovasculosa fill both cranial defects and the spinal column. 27. In the United Kingdom, a child born with anencephaly was reported as the country's youngest organ donor. 28. A number of conditions can increase the risk of anencephaly , including malnutrition, folic-acid deficiency and certain medications. 29. Mark found that many studies linked arsenic contamination and neural-tube birth defects, such as anencephaly and spina bifida. 30. The result : cases of spina bifida and anencephaly , two serious birth defects, dropped by at least 20 percent.