(n.) Atrial or special observation, made to confirm or disprove something doubtful; esp., one under conditions determined by the experimenter; an act or operation undertaken in order to discover some unknown principle or effect, or to test, establish, or illustrate some suggest or known truth; practical test; poof.
(n.) Experience.
(v. t.) To make experiment; to operate by test or trial; -- often with on, upon, or in, referring to the subject of an experiment; with, referring to the instrument; and by, referring to the means; as, to experiment upon electricity; he experimented in plowing with ponies, or by steam power.
(v. t.) To try; to know, perceive, or prove, by trial experience.
Example Sentences:
(1) However, this deficit was observed only when the sample-place preceded but not when it followed the interpolated visits (second experiment).
(2) Experience of pain is modified by intern and extern influences, and it can appear very multiformly in the chronicity.
(3) It was shown in experiments on four dogs by the conditioned method that the period of recovery of conditioned activity after one hour ether anaesthesia tested 7 to 7.5 days.
(4) The hemodynamic efficiency of the drive was tested in a number of in vivo experiments.
(5) The data from this experience as well as others previously reported can yield prognostic indicators of survival in cases of accidental hypothermia.
(6) In this paper, we show representative experiments illustrating some characteristics of the procedure which may have wide application in clinical microbiology.
(7) The transport of potassium ions through membranes of red blood cells was examined in in bitro experiments using a CMF of 4500 oersted.
(8) The analysis is based on the personal experience of the authors with 117 cases and the review of 223 cases published in the literature.
(9) Handing Greater Manchester’s £6bn health and social care budget over to the city’s combined authority is the most exciting experiment in local government and the health service in decades – but the risks are huge.
(10) We report a series of experiments designed to determine if agents and conditions that have been reported to alter sodium reabsorption, Na-K-ATPase activity or cellular structure in the rat distal nephron might also regulate the density or affinity of binding of 3H-metolazone to the putative thiazide receptor in the distal nephron.
(11) In animal experiments pharmacological properties of the low molecular weight heparin derivative CY 216 were determined.
(12) Experiments are proposed by which to test these and related hypotheses.
(13) This frees the student to experience the excitement and challenge of learning and the joy of helping people.
(14) These experiments indicated that there were significant differences between the early classical C system of mice and those of human and guinea pig.
(15) A modification of Mason's vertical banded gastroplasty for morbid obesity is presented, along with experience from 62 treated patients.
(16) The experiment was conducted on 3 groups of calves.
(17) In addition, control experiments with naloxone, ethanol, or cigarette smoking alone were performed.
(18) The concentrations of the drugs used in in vivo experiments did not affect the WBC counts in the peripheral blood of healthy mice.
(19) In experiments performed to determine whether PtdIns(4,5)P2 hydrolysis induced by TRH may have been caused by the elevation of [Ca2+]i, the following results were obtained: the effect of TRH to decrease the level of PtdIns(4,5)P2 was not reproduced by the calcium ionophore A23187 or by membrane depolarization with 50 mM K+; the calcium antagonist TMB-8 did not inhibit the TRH-induced decrease in PtdIns(4,5)P2; and, most importantly, inhibition by EGTA of the elevation of [Ca2+]i did not inhibit the TRH-induced decrease in PtdIns(4,5)P2.
(20) In our experience DSA is a safe, specific means of following postoperative grafts and diagnosing their occlusion.
Observation
Definition:
(n.) The act or the faculty of observing or taking notice; the act of seeing, or of fixing the mind upon, anything.
(n.) The result of an act, or of acts, of observing; view; reflection; conclusion; judgment.
(n.) Hence: An expression of an opinion or judgment upon what one has observed; a remark.
(n.) Performance of what is prescribed; adherence in practice; observance.
(n.) The act of recognizing and noting some fact or occurrence in nature, as an aurora, a corona, or the structure of an animal.
(n.) Specifically, the act of measuring, with suitable instruments, some magnitude, as the time of an occultation, with a clock; the right ascension of a star, with a transit instrument and clock; the sun's altitude, or the distance of the moon from a star, with a sextant; the temperature, with a thermometer, etc.
(n.) The information so acquired.
Example Sentences:
(1) The patterns observed were: clusters of granules related to the cell membrane; positive staining localized to portions of the cell membrane, and, less commonly, the whole cell circumference.
(2) However, this deficit was observed only when the sample-place preceded but not when it followed the interpolated visits (second experiment).
(3) In conclusion, in S-rats a glucose-stimulated insulin release is accompanied by an increase in IBF, but this is not observed in P-rats.
(4) The combined immediate and delayed responses to fleas in the dog are as observed by other investigators in man and guinea pigs.
(5) However, when cross-linked to anti-CD4 or anti-CD8 antibodies a markedly enhanced proliferation of the corresponding subpopulation is observed.
(6) Using monoclonal antibodies directed against the plasma membrane of Madin-Darby canine kidney (MDCK) cells, we demonstrated previously that a glycoprotein with an Mr = 23,000 (gp23) had a non-polarized cell surface distribution and was observed on both the apical and basolateral membranes (Ojakian, G. K., Romain, R. E., and Herz, R. E. (1987) Am.
(7) Stimulation is also observed with mixtures of APC expressing DPw3 and APC expressing A1, and likewise, DPw3+ APC become stimulatory when preincubated with supernatants from A1-positive cells.
(8) For this reason, these observations should not be disregarded.
(9) No differences between the two substances were observed with respect to side effects and general tolerability.
(10) The testing of other models and their failure to describe the kinetic observations are discussed.
(11) The extrusion of granules into the intercellular space via exocytosis is frequently observed.
(12) The time of observation varied between 2 and 17 years.
(13) Insensitive variants die more slowly than wild type cells, with 10-20% cell death observed within 24 h after addition of dexamethasone.
(14) The subcellular distribution of sialyltransferase and its product of action, sialic acid, was investigated in the undifferentiated cells of the rat intestinal crypts and compared with the pattern observed in the differentiated cells present in the surface epithelium.
(15) No reaction product was observed in the lamellar areas.
(16) Cyanoacrylate and PDS coatings were not detectable after 6 weeks while PHBA and PLLA coatings were still observed after 48 weeks.
(17) A total of 13 ascertainments of folate sensitive autosomal fragile sites is observed, of which 10q23 fragility appears to be the most frequent.
(18) This new observation offers good possibilities to study the metabolism of tryptophan at the cellular level.
(19) These membrane perturbation effects not observed with bleomycin-iron in the presence of a hydroxyl radical scavenger, dimethyl thiourea, or a chelating agent, desferrioxamine, were correlated with the ability of the complex to generate highly reactive oxygen species.
(20) The fluctuations in [Ca2+]i measured with fura-2 were synchronized among the population of cells observed and were sensitive to extracellular Ca2+ concentration ([Ca2+]o).