| killer cells, lymphokine-activated | Cytolytic lymphocytes with the unique capacity of killing natural killer (nk)-resistant fresh tumour cells. They are interleukin-2-activated nk cells that have no MHC (major histocompatibility complex) restriction or need for antigen stimulation. Lak cells are used for adoptive immunotherapy in cancer patients. (12 Dec 1998) |
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| lymphokine | <growth factor> Substance produced by a leucocyte that acts upon another cell. Examples are interleukins, interferon alpha, lymphotoxin (tumour necrosis factor alpha), granulocyte monocyte colony-stimulating factor (GM-CSF). The term is becoming less common and cytokine, a more general term, is taking over. Cytokines include lymphokines. (20 Mar 1998) |
| pair production | <physics> The simultaneous production of an electron and a positron by an interaction of a photon or a fast charged particle with the electronic field of a nucleus or other particle. (16 Dec 1997) |
| primary production | Production of organic substances by photosynthesis, the quantity of material so produced per unit time. (09 Oct 1997) |
| production | The act or process of producing, bringing forth or making. (18 Nov 1997) |
| speech production measurement | Measurement of parameters of the speech product such as vocal tone, loudness, pitch, voice quality, articulation, resonance, phonation, phonetic structure and prosody. (12 Dec 1998) |
| steroid production rate | The total quantity of a given steroid formed in the body, usually expressed as milligrams per day; represents the sum of the glandular secretion of the steroid and extraglandular formation of it from various steroid precursors. (05 Mar 2000) |
| implantation theory of the production of endometriosis | That, at the time of menstruation, cells of the uterine mucosa pass through the fallopian tubes and escape into the pelvic cavity where they implant themselves on the peritoneum. (05 Mar 2000) |
| orphan drug production | Production of drugs or biologicals which are unlikely to be manufactured by private industry unless special incentives are provided by others. (12 Dec 1998) |