Talcum powder is a soft, white powder developed from talc, or magnesium silicate, a mineral composed primarily of magnesium, silicon and oxygen. When it is finely ground, talc absorbs moisture and helps reduce friction.
Conclusion. Sacral myelomeningocele is type of spina bifida that presents as a cystic swelling in the lower back of the baby. Its exact cause is not known and multiple factors are considered to be associated with this defect. It can be detected prenatally by some screening tests.onclusion. Sacral myelomeningocele is type of spina bifida that presents as a cystic swelling in the lower back of the baby. Its exact cause is not known and multiple factors are considered to be associated with this defect. It can be detected prenatally by some screening tests.
1 Myelomeningocele is the only type of spina bifida that exposes the babyâs spinal cord to amniotic fluid.  Meningocele occurs when the spinal cord and nerve tissue do not protrude into the sac. In this case, the lesion is usually covered by skin.