#hypolipoproteinemia  any of various disorders of lipoprotein and cholesterol metabolism that result in low levels of lipoprotein and cholesterol in the circulating blood
  supertype:  metabolic_disorder__metabolicdisorder  a disorder or defect of metabolism
  subtype:  hypobetalipoproteinemia  a hereditary disorder characterized by low levels of beta-lipoproteins and lipids and cholesterol
     subtype:  abetalipoproteinemia  a rare inherited disorder of fat metabolism; characterized by severe deficiency of beta-lipoproteins and abnormal red blood cells (acanthocytes) and abnormally low cholesterol levels

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