(n.) One who deprives of life; one who, or that which, kills.
(n.) A voracious, toothed whale of the genus Orca, of which several species are known.
Example Sentences:
(1) To investigate the immunomodulating properties of cis-diamminedichloroplatinum (II) (CDDP), we studied the drug's effects on natural killer (NK) lymphocyte cytotoxicity.
(2) To become president of Afghanistan , Ashraf Ghani Ahmadzai changed his wardrobe and modified his name, gave up coffee, embraced a man he once denounced as a “known killer” and even toyed with anger management classes to tame a notorious temper.
(3) She was not aware that it was an assassination attempt by alleged foreign agents.” If at least one of the women thought the killing was part of an elaborate prank, it might explain the “LOL” message emblazoned in large letters one of the killers t-shirts.
(4) Natural killer cells (CD8+CD57+) as well as activated T cells (CD3+HLA-DR+) were significantly increased in patients with sarcoidosis.
(5) In our efforts to explore alternative treatment regimens for multidrug-resistant tumors we have examined the sensitivity of MDR tumor cell lines to lymphokine activated killer (LAK) cells.
(6) The isolated LGL were highly cytotoxic against YAC-1 lymphoma cells and this cytolytic activity was blocked by treatment of the effector cells with an antibody against natural killer cells (anti-asialo GM1).
(7) Natural killer (NK) cell activity was assessed in the peripheral blood of 20 patients with growth hormone (GH) deficiency due to a hypothalamic deficit of GH-releasing hormone (GHRH).
(8) Analysis of lymphocyte subsets by flow cytometry demonstrated Leu 4, 43.6% (T cells); Leu 10, 10.5% (B cells) and Leu 7, 13.1% (natural killer (NK) cells) in TIL.
(9) Abnormal synaptonemal complexes were seen in all 19 crosses of N. crassa and N. intermedia that were examined, including matings between standard laboratory strains, inversions, Spore killers, and strains collected from nature.
(10) In experiments using double and triple chamber cultures it was demonstrated that suppressive macrophages from advanced T8-Guérin tumor (diameter 5--6.5 cm) bearing rats produced a dialysable factor which suppressed the killer activity of lymphocytes from non-advanced T8-Guérin tumor (diameter 0.5--0.7 cm) bearing rats, as well as from nonadvanced h 18R tumor bearing rats and from Ehrlich ascites bearing mice, against T8-Guérin ascitic cells and, respectively, against h 18R ascitic and Ehrlich ascitic cells.
(11) These killer cells could lyse a wide range of syngeneic and allogeneic lymphoid tumour cell lines in vitro, and it was found that cell suspensions from nude mice were always significantly more active than those from normal mice, and that the most active effector population was a polymorph-enriched peritoneal-exudate cell suspension.
(12) These findings show that humoral factors that can inhibit natural killer cell activity in vitro are present in the peripheral blood of patients who have endometriosis; moreover, they suggest that the suppressed natural killer cell activity may allow the development of endometrial cells at ectopic sites.
(13) Trophoblasts showed low susceptibility to natural killer and lymphokine-activated cells.
(14) Lymphokine-activated killer (LAK) cells are generated in vitro by the incubation of normal murine splenocytes in interleukin 2.
(15) In contrast, TCDD exposure had no significant effect on natural killer cell function, production of interferon, or various parameters of macrophage function.
(16) To help understand host-tumor relationships in adult acute lymphoblastic leukemia (ALL) and to better define potential indications for interleukin-2 (IL-2) treatment in this disease, the relationship between the susceptibility of leukemia cells of 22 patients with ALL to lysis by allogeneic lymphokine-activated killer (LAK) cells and characteristics of the leukemia was studied.
(17) The police investigating the 1991 murder of the Oxford student Rachel McLean had a strong hunch that the killer was her boyfriend, John Tanner, another student.
(18) Interferon-alpha and IL-2 could enhance NK activity and IL-2 could generate lymphokine-activated killer activity at all stages of ALL; however, the recycling defect hardly improved with these treatments.
(19) I read somewhere that one of the actresses you admire is Charlize Theron and she's another great beauty who started out modelling but whose breakthrough role came when she uglied up [to play serial killer Aileen Wuornos in Monster ].
(20) The present work investigated the association between prostaglandin E2 (PGE2) from macrophages and its inhibition of murine lymphokine-activated killer (LAK) cell generation.
Stress
Definition:
(n.) Distress.
(n.) Pressure, strain; -- used chiefly of immaterial things; except in mechanics; hence, urgency; importance; weight; significance.
(n.) The force, or combination of forces, which produces a strain; force exerted in any direction or manner between contiguous bodies, or parts of bodies, and taking specific names according to its direction, or mode of action, as thrust or pressure, pull or tension, shear or tangential stress.
(n.) Force of utterance expended upon words or syllables. Stress is in English the chief element in accent and is one of the most important in emphasis. See Guide to pronunciation, // 31-35.
(n.) Distress; the act of distraining; also, the thing distrained.
(v. t.) To press; to urge; to distress; to put to difficulties.
(v. t.) To subject to stress, pressure, or strain.
Example Sentences:
(1) It is supposed that delta-sleep peptide along with other oligopeptides is one of the factors determining individual animal resistance to emotional stress, which is supported by significant delta-sleep peptide increase in hypothalamus in stable rats.
(2) Stress is laid on certain principles of diagnostic research in the event of extra-suprarenal pheochromocytomas.
(3) It also provides mechanical support for the collateral ligaments during valgus or varus stress of the knee.
(4) When you have been out for a month you need to prepare properly before you come back.” Pellegrini will make his own assessment of Kompany’s fitness before deciding whether to play him in the Bournemouth game, which he is careful to stress may not be the foregone conclusion the league table might suggest.
(5) The most common reasons cited for relapse included craving, social situations, stress, and nervousness.
(6) The intent of this study was to investigate, by three-dimensional photoelastic analysis, the stress transmission that occurs with four commonly used retentive systems.
(7) Studies were conducted to evaluate the effects of acute (24 h) thermal stress on anterior pituitary function in hens.
(8) The temporary loss of a family member through deployment brings unique stresses to a family in three different stages: predeployment, survival, and reunion.
(9) These results indicate that during IPPV the increased Pcv attenuates the pressure gradient for venous return and decreases CO and that the compensatory increase in Psf is caused by a blood shift from unstressed to stressed blood volume.
(10) Rigidly fixing the pubic symphysis stiffened the model and resulted in principal stress patterns that did not reflect trabecular density or orientations as well as those of the deformable pubic symphysis model.
(11) Subtle differences between Chicago urban and Grand Forks rural climates are reflected in arthritic subjects' degree of pain and their perception of pain-related stress.
(12) He stressed the importance of the motivation to the mother for breast feeding and the independence between levels of instruction and frequency of breast feeding.
(13) Since this test is easily performed and hardly stresses the patient, it should routinely be the initial one for the diagnosis of renal osteopathy.
(14) The structure of L-carnitine resembles the chemical structure of other substances that have been described as being able to protect living cells against osmotic stress.
(15) Recognition and prompt treatment of this potentially fatal dermatological crisis is stressed.
(16) In this sense, there is evidence that in genetically susceptible individuals, environmental stresses can influence the long-term level of arterial pressure via the central and peripheral neural autonomic pathways.
(17) The stress-induced increase in ACTH and corticosterone secretion was potentiated by SG.
(18) The pathoanatomy and factors associated with transient mitral regurgitation (MR) induced by myocardial ischemic stress are unknown.
(19) We reviewed the pre-Vietnam contents of the service medical and personnel records of 250 Vietnam combat veterans, in an attempt to identify factors predisposing to the development of posttraumatic stress disorder (PTSD).
(20) Small and medium fish swim up when stressed, whereas larger fish swim down.