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Anencephaly
Definition: cranial neuropore fails to close resulting in disruption of:
-Lumbar and sacral segments of spinal cord
-meninges
-vertebral arch
-paraverrabral muscles and skin
Usually results in spontaneous abortion
Definition
Spina bifida
Definition: malformation of vertebral architecture and cord
Spinal lesion
Loss of neural tissue
Verticle level
Transverse plane
Factors affecting severity
Syringomyelia
Longitudinal fluid filled cavity within the spinal cord
Dissociated sensory loss of pain and temperature but not proprioception or vibration
Symptoms at the level of the synrix since spinothalamic tract decussates at the level of input
If it extends to brainstem (syringobulbia)
(Optional) dysarthria, dysphagia, tongue wasting, ataxia and nystagmus may occur
What is it
Symptoms
Complications
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