Last updated:09-05-2008
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Central nervous system (CNS) consists of the brain and spinal cord.

Centralnervesystemets development

During pregnancy the first three months starting the development of CNS from rygsiden on embryo (foetal tissue up to 12. Graviditetsuge). Here formed a groove, which will be deeper and enclosed end of the sides, so as to form a tube, which later developed spinal cord. In the front part formed brain.

CNS is highly sensitive to external influences, so it is important that it is well protected. One of the most important protective measures is the støddæmpende effect of the cerebrospinal fluid that surrounds the brain and spinal cord. Additional protection occurs in the development of kraniets bones and spine.
The development of the CNS is complex and many factors should chlecia to form the normal brain and the spinal cord and their protective measures.

Sometimes, congenital defects in the CNS occur. In this section, the split backbone (spina bifida) and hydrocephalus (water in the head).

Hereditary component

Native malformations in the CNS has a familial tendency. If we therefore have had a child with CNS malformations or have such in the family, it is very important that you talk with their doctor about the risk of development of a birth defect in a new child. This applies to both men and women.
(see Genetically advice ).




Related articles:

Hydrocefalus (Water in the head)
Native error in the central nervous system
Spaltet backbone, rygmarvsbrok (Spina bifida)



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