a hereditary disorder of lipid metabolism occurring most frequently in individuals of Jewish descent in eastern Europe; accumulation of lipids in nervous tissue results in death in early childhood 東ヨーロッパのユダヤ系の人に多く見られる遺伝子脂質代謝異常。神経組織での脂質の蓄積が、幼児期の死を引き起こす。
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