• word of the day

    b cell

    b cell - Dictionary definition and meaning for word b cell

    Definition
    (noun) 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
    Synonyms : b lymphocyte

Word used in video below:
text: a plant cell has a membrane and a cell wall.
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