Spina bifida occulta
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Spinal cordTuft of hairSkin
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Spinal cordTuft of hairSkin
Spina bifida occulta
• Usually found on accident via x-rays or examination of the back.
• The skin that covers the zone is fully in tact and sometimes a tuft of hair tells where the bone structures are missing
Spina bifida aperta
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4
Spinal cordMostly intact skin over themeningoceleMeningocele with cerebrospinal fluid
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4
Spinal cordMostly intact skin over themeningoceleMeningocele with cerebrospinal fluid
Spina bifida aperta
• Besides absence of the bone structure, there is an abnormality with the meningocele. (this is the layer of tissue that surrounds the spinal cord)
• Mildest form – protrusion of the meninges under the skin through the cleft in the vertebral arch (pink)
Spina bifida aperta (myelomeningocele)
Spina bifida aperta (myeloschisis)
• The severest form of spina bifida.• The nerve tissue is exposed (lacks a dermal
covering).• This abnormality is caused by lack of closure in
the neural fold.
Anencephaly
When the neural folds do not fuse in the cranial region of the neural tube.