Glossary



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  • Lentivirus : A subgroup of the retrovirus family capable. They are capable of infecting non-dividing (resting) cells.
  • Leukocyte : White blood cell. Some leukocytes produce antibodies, others help fight off infections.
  • Lignoceric acid : Saturated fatty acid with 24 carbon atoms. With ALD, high levels of this acid are present.
  • Lipid : General term for chemical substances including fatty acids, cholesterol, triglycerides and phospholipids. These oily substances are insoluble in water.
  • Lorenzo’s oil : Oil which is four parts GTO (triglyceride containing three oleic acid molecules) and one part GTE (triglyceride containing three erucic acid molecules).
  • Lymphoblast : Immature form of white blood cells, very useful for researchers. These do not exist in a healthy individual but it is possible to create them in laboratories by infecting normal lymphocytes with a virus. These cells are almost immortal, which is why they are useful to researchers (no need to take more than one sample of lymphocytes).
  • Lysophospholipid : Complex lipid
  • Lysosome : Organelle of the cell, found in the cytoplasm surrounding the nucleus and primarily involved with intracellular digestion (breakdown of metabolic waste products).