200 likes | 615 Views
Spina bifida occulta. 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. Spina bifida aperta.
E N D
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 • 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)
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.