LY has various meanings in the Medicine category. Discover the full forms, definitions, and usage contexts of LY in Medicine.
Lymphocyte, type of white blood cell (leukocyte) that is of fundamental importance in the immune system because lymphocytes are the cells that determine the specificity of the immune response to infectious microorganisms and other foreign substances.
MedicineThe white blood cells that are essential components of the immune system. A subclass of leukocytes involved in the immune response. B lymphocytes synthesize and secrete antibodies; T lymphocytes either play a regulatory role in immunity or kill foreign and virus-infected cells.
MedicineAn enzyme in perspiration, tears, and saliva that attacks bacterial cell walls.
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