(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).
Optional
Definition:
(a.) Involving an option; depending on the exercise of an option; left to one's discretion or choice; not compulsory; as, optional studies; it is optional with you to go or stay.
(n.) See Elective, n.
Example Sentences:
(1) Meanwhile Bradley Beal has developed into a dangerous second option and complementary sidekick in exactly the same way that Dion Waiters hasn't for the Cleveland Cavaliers.
(2) With attention to proper performance and patient selection, spinal and epidural anaesthesia are safe and efficacious options when choosing anaesthetic technique.
(3) Chris Pavlou, former vice chairman of Laiki, told Channel 4 news that Anastasiades was given little option by the troika but to accept the draconian terms, which force savers to take a hit for the first time in the fifth bailout of a eurozone country.
(4) By using these larger catheters, the surgeon will not lose the option of using isosmotic preparations.
(5) The dumplings could also be served pan-fried in browned butter and tossed with a bitter leaf salad and fresh sheep's cheese for a lighter, but equally delicious option.
(6) Proper treatment of postoperative atelectasis requires adequate patient assessment and knowledge of the therapeutic options.
(7) We know that from the rapid take up of crowd funded renewables investors are actively looking for a more secure option.
(8) Steps in the decision-making process, as well as options to be considered, are detailed.
(9) RF ablation appears to be a safe and effective therapeutic option for drug-resistant ectopic atrial tachycardia and may be the preferred first-line therapy for those patients with depressed ventricular function.
(10) Endoscopic coagulation is a useful adjunct in the treatment of this condition, and is safe, effective, and leaves other options open.
(11) The main benefit of the newer drugs is that they offer new options for the treatment of patients who cannot tolerate side effects of the traditional drugs or have responded unsatisfactorily to them.
(12) Available evidence suggests that the medical outcome between these two options is similar; this study was designed to investigate selected psychosocial outcomes.
(13) The literature is reviewed with respect to treatment options and prognostic factors.
(14) The protein variation potentially includes N-terminal differences coded for by transcript-specific 5' exons and internal differences arising from the optional inclusion of a 39 base-pair exon and from the alternative use of two 3' splice sites separated by six base-pairs.
(15) This study investigates neophyte student nurses' attitudes to working with the elderly through placing them in relation to attitudes to other nursing career options and by exploring student nurses' reasons for such attitudes.
(16) Alternative management options, 6 month mortality and costs for the post-myocardial infarction patient were compared.
(17) 'don't know' options) students were able to increase their score significantly and the rank order of the students in class is changed.
(18) Another feature of TWINAN90 is the optional output of a pedigree file which can be read by the quantitative genetics package FISHER.
(19) Procurement has already brought down prices in foster care significantly in recent years, so differences between the costs of placement options may now be marginal.
(20) Operative decompression is in most cases the only therapeutic option.