Natural killer cell — Latin lymphocytus K Code TH H2.00.04.1.02006 Natural killer cells (or NK cells) are a type of cytotoxic lymphocyte that constitute a major component of the innate immune system. NK cells play a major role in the rejection of … Wikipedia
natural killer cell — (NK cell) A non T, non B lymphocyte present in nonimmunized individuals that exhibits MHC independent cytolytic activity against tumor cells … Dictionary of microbiology
Killer-cell immunoglobulin-like receptor — Killer cell immunoglobulin like receptors (KIRs), are a family of cell surface proteins found on important cells of the immune system called natural killer (NK) cells. They regulate the killing function of these cells by interacting with MHC… … Wikipedia
killer cell — n a lymphocyte (as a cytotoxic T cell or a natural killer cell) with cytotoxic activity … Medical dictionary
killer cell — noun Date: 1972 a lymphocyte (as a killer T cell or a natural killer cell) with cytotoxic activity … New Collegiate Dictionary
Killer whale — Orca redirects here. For other uses, see Orca (disambiguation). Killer whale[1] … Wikipedia
Natural disaster — Not to be confused with environmental disaster. A natural disaster is the effect of a natural hazard (e.g., flood, tornado, hurricane, volcanic eruption, earthquake, heatwave, or landslide). It leads to financial, environmental or human losses.… … Wikipedia
Natural history of Trinidad and Tobago — Location of Trinidad and Tobago in the Caribbean Trinidad and Tobago has some of the richest natural communities in the Caribbean. Unlike most of the islands of the Caribbean, Trinidad and Tobago supports a primarily South American flora and… … Wikipedia
Serial killer — A serial killer is a person who murders usually three or more peopleSome murderers have been called serial killers based on proof of only two murders, such as Ed Gein.] with a cooling off period between each murder and whose motivation for… … Wikipedia
Dr Myko San - Health from Mushrooms — Dr Myko San – Health from Mushrooms (Croatian: Dr Myko San – Zdravlje iz gljiva) is a Croatian private company, based in Zagreb, producing and selling medicinal mushroom preparations. Dr Ivan Jakopović (IPA2|jʌˈkoːpoʋiʨ) and Marija Jakopović… … Wikipedia
Perforin — 1 (pore forming protein), also known as PRF1, is a human gene.cite web | title = Entrez Gene: PRF1 perforin 1 (pore forming protein)| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene Cmd=ShowDetailView TermToSearch=5551| accessdate = ]… … Wikipedia