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natural killer cell

^ http://purl.obolibrary.org/obo/CL_0000623


A lymphocyte that can spontaneously kill a variety of target cells without prior antigenic activation via germline encoded activation receptors and also regulate immune responses via cytokine release and direct contact with other cells. [ GOC:add http://openisbn.com/search.php?q=0781735149&isbn=1/ http://www.ncbi.nlm.nih.gov/pubmed/15771571 ]

Synonyms: NK cell