Genetics Northern California

Glossary

TermDescription
Encephalocele

A neural tube defect that occurs when there is an opening in the bones of the skull through which brain tissue protrudes.

Neural tube

The organ which becomes the baby's brain and spinal cord. Completely formed by 5 weeks after conception. If the neural tube does not develop properly, birth defects such as spina bifida, anencephaly, and encephalocele can occur.

Neural tube defect

Birth defects which involve incomplete development of the brain, spinal cord and/or the protective coverings for these organs. Types of NTDs include spina bifida, anencephaly, and encephalocele.