SEM of T-lymphocyte killer cell

SEM of T-lymphocyte killer cell

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Credit: DR. ANDREJS LIEPINS/SCIENCE PHOTO LIBRARY

Caption: False-colour scannning electron micrograph of a T-lymphocyte killer cell (small cell on left), attacking a large cancer tumour cell. The T-ymphocyte, a white blood cell, must make intimate contact with the tumour cell. It does so by recognizing antigens on the tumour's surface. Following contact the tumour cell undergoes distinct structural changes; loss of microvilli (small projections, lost here), perforation and ultimately death. The tumour cell may survive, however, by budding off a number of blebs or blisters, which form a protective barrier between itself & the lymphocyte, preventing further contact. Magnification: X 2,500 at 35mm size.

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Keywords: attacking, cancer cell, cancer response, cancerous, condition, disease, disorder, healthcare, killer t-lymphocyte, lymphocyte, malignancy, malignant, medical, medicine, phagocytosis, scanning electron micrograph, sem, t-cell attacking, t-lymphocyte, tumour cell, white blood cell

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