perforin
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per·for·in
(per'fōr-in),A protein found in the cytoplasmic granules of both T-cytotoxic lymphocytes and natural killer cells. This protein is implicated in target cell lysis by the above cells.
[L. per-foro, to bore, pierce, + -in]
Farlex Partner Medical Dictionary © Farlex 2012
perforin
(pûr′fər-ĭn)n.
A protein released by killer cells and natural killer cells that causes lysis of target cells by forming pores in their membranes.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
per·for·in
(pĕr'fŏ-rin)A protein found in the cytoplasmic granules of both T-cytotoxic lymphocytes and natural killer cells, implicated in target cell lysis.
[L. per-foro, to bore, pierce, + -in]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
perforin
A molecule produced by cytotoxic T cells and natural killer cells which forms a pore in the membrane of the attacked cell resulting in LYSIS and cell death. A similar process can be brought about by COMPLEMENT.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
perforin
see KILLER T-CELL.Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005