Cystica- divided into two
categories which are Spina Bifida with meningocele.
This form results in the membranes surrounding the spinal cord, protrude
from the plane of the spine and form a sac containing cerebrospinal fluid. Children that fit in this category are
typically within the normal range of intelligence. The second category is Spina Bifida with
myelomeningocele. This is the most
severe type which results in a protruding sac that contains parts of spinal
cord as well as cerebrospinal fluid. The
sac can be removed with surgery but the neurological damage is irreversible.
Occulta- a mild form of spina
bifida with visible signs, if any are a clump of hair covering the area of the
cleft.
Hydrocephalus: a lack of circulation of the fluid in the
brain that results in a blockage. This
creates pressure on the skull thinning the bone. The pressure is also on the brain, which
results in distortion of the brain substance, damage and death to the neurons.
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