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cerebellar hypoplasia
Cerebellar hypoplasia is a rare embryonic developmental disorder in which the cerebellum is either missing entirely or is smaller than usual. It may be genetic or occur sporadically. Cerebellar hypoplasia may be caused by thyroid abnormalities, environmental influences such as drugs and chemicals or viral infections or stroke. Cerebellar hypoplasia may be associated with other disorders including Dandy-Walker syndrome, Joubert Syndrome, spinal muscular atrophy and Walker-Warburg syndrome and CASK Gene Mutation. This disorder has also been known to be a symptom of Retinoic Acid Embryopathy/Accutane Syndrome, and Meckel syndrome.
== History ==
The first known case of cerebellar hypoplasia was discovered in the year of 1940. The patient died at the age of 76. After his body was unclaimed, the body became property of the London Hospital for dissection. During dissection, the patient was discovered to have no cerebellum. This unique case was appropriately named “human brain without a cerebellum” and was used every year in the Department of Anatomy at Cambridge University in a neuroscience course for medical students.〔Lemon, R. N., & Edgley, S. A. (2010). Life without a cerebellum. Oxford journals, 133(3), 652-654. Retrieved from http://brain.oxfordjournals.org/content/133/3/652.full〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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