What's the difference between observation and surveillance?

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).

Surveillance


Definition:

  • (n.) Oversight; watch; inspection; supervision.

Example Sentences:

  • (1) Clinical surveillance, repeated laboratory tests, conventional radiology, and especially ultrasonography and CT scan all contributed to the preoperative diagnosis.
  • (2) An effective graft-surveillance protocol needs to be applicable to all patients; practical in terms of time, effort, and cost; reliable; and able to detect, grade, and assess progression of lesions.
  • (3) Our data suggest that a rational use of surveillance cultures and serological tests may aid in an earlier diagnosis of FI in BMT patients.
  • (4) In a debate in the House of Commons, I will ask Britain, the US and other allies to convert generalised offers of help into more practical support with greater air cover, military surveillance and helicopter back-up, to hunt down the terrorists who abducted the girls.
  • (5) The purpose of this paper is to discuss the potential for integrating surveillance techniques in reproductive epidemiology with geographic information system technology in order to identify populations at risk around hazardous waste sites.
  • (6) These deficiencies in the data compromise HIV surveillance based on diagnostic testing, and supplementary bias-free data are needed.
  • (7) A total of 1,268 patients admitted to hospital wards were kept under surveillance by one observer throughout their stay in hospital.
  • (8) Cardiovascular disease event rates will be assessed through continuous community surveillance of fatal and nonfatal myocardial infarction and stroke.
  • (9) Although this operational classification does not produce etiologically homogeneous groups, it is believed to have pragmatic utility with respect to planning targeted surveillance and management strategies.
  • (10) These results clearly show the value of cardiac and neurologic surveillance of patients operated on for carotid artery stenosis.
  • (11) Hemoccult-II (H-II) was performed before 1,244 colonoscopies in patients with previous cancer and before 328 colonoscopies in an adenoma surveillance program.
  • (12) Albrecht said it would represent a great success for the parliament's investigation into mass surveillance of EU citizens.
  • (13) Although the debate in the US has led to some piecemeal reforms – including the USA Freedom Act and modest policy changes – many of the most intrusive government surveillance programs remain largely intact.
  • (14) He is likely to propose increased funding of plant disease experts, the stepping up of surveillance at ports of entry and a Europe-wide "plant passport" system to trace the origins of all plants coming into Britain.
  • (15) Our results indicate that in recipients of bioprosthetic valves, careful follow-up with closer surveillance of valve and cardiac function and earlier prosthetic replacement might contribute to reducing the risk of reoperation.
  • (16) He spent just 22 minutes there before heading out again, the building’s surveillance system revealed.
  • (17) This postoperative surveillance was aimed at discovering benign or malignant neoplastic growth within the remaining large bowel.
  • (18) The 14-year incidence rates (1969-1982) for coronary heart disease, cerebrovascular disease (stroke), total mortality, and cause-specific mortality were compared between 8,006 examined and 3,130 nonexamined men of the Honolulu Heart Program using identical surveillance procedures.
  • (19) Surveillance activity must be performed concurrently so that data can be reported in a timely manner and appropriate action can be taken if necessary.
  • (20) Cluster investigations are expected to be most useful not in etiologic research, but rather in addressing worker concerns and as part of larger surveillance efforts.