Neural tube

The Neural tube is the embryonic precursor to the central nervous system, which is made up of the brain and spinal cord. It is formed in a process called neurulation in the early stages of embryogenesis.

Formation

The neural tube forms in the first month of embryonic development. This process begins when a region of the ectoderm – the outermost layer of the embryo – thickens and flattens to become the neural plate. The edges of the neural plate then fold upwards and meet in the middle to form the neural tube.

Neural Tube Defects

Neural tube defects (NTDs) are a group of conditions that occur when the neural tube does not close completely or correctly. The most common NTDs are spina bifida, anencephaly, and encephalocele. These conditions can cause a range of disabilities and health problems, depending on the severity of the defect and the region of the neural tube that is affected.

Prevention and Treatment

The risk of neural tube defects can be significantly reduced by taking folic acid supplements before and during early pregnancy. Treatment for NTDs depends on the severity and type of defect, but may include surgery, physical therapy, and ongoing medical care.

See Also

• Neurulation
• Embryogenesis
• Spina bifida
• Anencephaly
• Encephalocele

• 
  Neural tube development with color
• 
  Neural tube
• 
  Neural crest
• 
  Brain vesicle development
• Shh gradient in the neural tube
  Shh gradient in the neural tube