sensitized cell

sen·si·tized cell

1. a cell that has been exposed to antigen and activated. 2. a small, "committed," cell derived, by division and differentiation, from a resting lymphocyte; 3. a cell, including a bacterial cell, which has combined with specific antibody to form a complex capable of reacting with complement components.

sen·si·tized cell

(sen'si-tīzd sel) 1. A cell that has combined with antibody to form a complex capable of reacting with complement components. 2. A small, "committed," cell derived, by division and differentiation, from a transformed lymphocyte. 3. A cell that has been either exposed to antigen or opsonized with antibodies and/or complement.