What's the difference between scan and screen?

Scan


Definition:

  • (v. t.) To mount by steps; to go through with step by step.

Example Sentences:

  • (1) By presenting the case history of a man who successively developed facial and trigeminal neural dysfunction after Mohs chemosurgery of a PCSCC, this paper documents histologically the occurrence of such neural invasion, and illustrates the utility of gadolinium-enhanced magnetic resonance scanning in patient management.
  • (2) By electrophoresis and scanning densitometry, actin was found to constitute about 4% to 6% of the total cellular protein in the human corneal epithelium.
  • (3) Clinical surveillance, repeated laboratory tests, conventional radiology, and especially ultrasonography and CT scan all contributed to the preoperative diagnosis.
  • (4) Tumor shrinkage was documented by A-scan ultrasonography in all but one patient.
  • (5) In choosing between various scanning techniques the factors to be considered include availability, cost, the type of equipment, the expertise of the medical and technical staff, and the inherent capabilities of the system.
  • (6) The method is based on two-dimensional scanning photon absorptiometry on the distal part of the forearm.
  • (7) The results also indicate that small lesions initially noted only on CT scans of the chest in children with Wilms' tumor frequently represent metastatic tumor.
  • (8) CT scan revealed a small calcified mass in the right maxillary sinus.
  • (9) Transmission electron microscopy demonstrated that these blebs were devoid of organelles and microvilli; scanning electron microscopy revealed that the blebs were highly wrinkled and more numerous than were the projections observed in tissue from animals treated with testosterone alone, or in tissue from unoperated controls.
  • (10) We conclude that inflammatory lesions at these sites are not uncommon and that CT scans are diagnostic in the great majority.
  • (11) The skull films and CT scans of 1383 patients with acute head injury transferred to a regional neurosurgical unit were reviewed.
  • (12) For consistent identification of the normal pancreas, preliminary longitudinal scanning at, or near, the mid-line and subsequent oblique scanning in the long axis are necessary prerequisites in delineating the anatomic outline of the pancreas.
  • (13) In scanning of more than 20 Hz frequency, the spectral pattern also reflected the characteristics of the cone system.
  • (14) 3 patients had complete disappearance of the symptoms but did not have a computed tomography scanning control, 3 patients had clinical and CT recovery.
  • (15) The remaining 16 patients were explored for persistent symptoms, an abnormality on GI series, or a mass lesion on CT scan.
  • (16) After permeabilization, with attendant partial extraction, the preparation can be fixed, then viewed by either deep-etch replication, or by high-resolution scanning electron microscopy, with structure of interest revealed in deep view.
  • (17) A television camera scans the spread through microscope optics; computer and special purpose electronics process the video signals to generate run length histograms.
  • (18) Subgingival plaque was sampled and the presence or absence of the above mentioned bacteria assessed with BANA reagent cards (Perio Scan).
  • (19) Ventilation-perfusion lung scans and contrast ascending venography were performed on the sixth to eighth postoperative days.
  • (20) It is often necessary to estimate the dose of radiation to a fetus from a series of CT scans.

Screen


Definition:

  • (n.) Anything that separates or cuts off inconvenience, injury, or danger; that which shelters or conceals from view; a shield or protection; as, a fire screen.
  • (n.) A dwarf wall or partition carried up to a certain height for separation and protection, as in a church, to separate the aisle from the choir, or the like.
  • (n.) A surface, as that afforded by a curtain, sheet, wall, etc., upon which an image, as a picture, is thrown by a magic lantern, solar microscope, etc.
  • (n.) A long, coarse riddle or sieve, sometimes a revolving perforated cylinder, used to separate the coarser from the finer parts, as of coal, sand, gravel, and the like.
  • (v. t.) To provide with a shelter or means of concealment; to separate or cut off from inconvenience, injury, or danger; to shelter; to protect; to protect by hiding; to conceal; as, fruits screened from cold winds by a forest or hill.
  • (v. t.) To pass, as coal, gravel, ashes, etc., through a screen in order to separate the coarse from the fine, or the worthless from the valuable; to sift.

Example Sentences:

  • (1) An automated continuous flow sample cleanup system intended for rapid screening of foods for pesticide residues in fresh and processed vegetables has been developed.
  • (2) Simplicity, high capacity, low cost and label stability, combined with relatively high clinical sensitivity make the method suitable for cost effective screening of large numbers of samples.
  • (3) It is suggested that the results indicate the need for full haematological screening of all patients with recurrent aphthae.
  • (4) Plain radiographs should be the initial screening modality for a suspected foreign body.
  • (5) I hope this movement will continue and spread for it has within itself the power to stand up to fascism, be victorious in the face of extremism and say no to oppressive political powers everywhere.” Appearing via videolink from Tehran, and joined by London mayor Sadiq Khan and Palme d’Or winner Mike Leigh, Farhadi said: “We are all citizens of the world and I will endeavour to protect and spread this unity.” The London screening of The Salesman on Sunday evening wasintended to be a show of unity and strength against Trump’s travel ban, which attempted to block arrivals in the US from seven predominantly Muslim countries: Iran, Iraq, Libya, Sudan, Somalia, Syria and Yemen.
  • (6) The sensitivity of an indirect fluorescent antibody (IFA) test (screening test) for the detection of antibodies to cytomegalovirus (CMV) was examined by using 128 serum specimens and quaternary aminoethyl (QAE)-Sephadex A50 column chromatography to separate IgM from IgG class antibodies.
  • (7) A cDNA library prepared from human placenta has been screened for sequences coding for factor XIIIa, the enzymatically active subunit of the factor XIII complex that stabilizes blood clots through crosslinking of fibrin molecules.
  • (8) This study examines the costs of screening patients for alcohol problems.
  • (9) The screening of blood products for HTLV-1 is of minor importance.
  • (10) The high participation percentage also shows that the prerequisite of screening, namely, a positive attitude on the part of the population, was as well fulfilled in the present project.
  • (11) Eighty-four paraplegic patients whose injury level was T2 or below and who were at least one year from spinal cord injury were screened for upper extremity complaints.
  • (12) The results indicated that 48% of the sample either regularly checked their own skin or had it checked by another person (such as a spouse), and 17% had been screened by a general practitioner in the preceding 12 months.
  • (13) A newborn presenting with persistent umbilical stump bleeding should be screened for factor XIII deficiency when routine coagulation tests prove normal.
  • (14) From 1983 to 1986 more than 2000 non-penicillinase producing Neisseria gonorrhoeae from Amsterdam, The Hague and Rotterdam were auxotyped and screened for susceptibility to 10 antibiotics by MIC determination.
  • (15) Improvement of its particularly poor prognosis requires therefore early screening based on reliable biological markers.
  • (16) A study was conducted to determine the usefulness of self-screening of blood pressure in families as part of a school health care programme, and to study the relationship between BP and sodium excretion in school children.
  • (17) We have isolated a murine cDNA clone, pCAL-F559, for the calcium-binding protein calcyclin by differential screening of a cDNA library made from RNA isolated from hair follicles of 6-d-old mice.
  • (18) Short-forms of Wechsler intelligence tests have abounded in the literature and have been recommended for use as screening instruments in clinical and research settings.
  • (19) Noise exposure and demographic data applicable to the United States, and procedures for predicting noise-induced permanent threshold shift (NIPTS) and nosocusis, were used to account for some 8.7 dB of the 13.4 dB average difference between the hearing levels at high frequencies for otologically and noise screened versus unscreened male ears; (this average difference is for the average of the hearing levels at 3000, 4000, and 6000 Hz, average for the 10th, 50th, and 90th percentiles, and ages 20-65 years).
  • (20) It appears that there exist similarities between rats and mice and that these models may be used for screening tests of hypolipidemic drugs.