lymphocyte

Noun
  1. An agranulocytic leukocyte that normally makes up a quarter of the white blood cell count but increases in the presence of infection (synset 105458960)
    is a type of: leucocyte, leukocyte, wbc, white blood cell, white blood corpuscle, white cell, white corpuscle - blood cells that engulf and digest bacteria and fungi; an important part of the body's defense system
    subtypes:
    • b cell, b lymphocyte - a lymphocyte derived from bone marrow that provides humoral immunity; it recognizes free antigen molecules in solution and matures into plasma cells that secrete immunoglobulin (antibodies) that inactivate the antigens
    • t cell, t lymphocyte - a small lymphocyte developed in the thymus; it orchestrates the immune system's response to infected or malignant cells
    • lymphoblast - an immature lymphocyte
    • plasma cell, plasmacyte - a cell that develops from a B lymphocyte in reaction to a specific antigen; found in bone marrow and sometimes in the blood
    is a part of: lymphatic system, systema lymphaticum - the interconnected system of spaces and vessels between body tissues and organs by which lymph circulates throughout the body
    same as: lymph cell

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