(n.) A point equally distant from the extremities of a line, figure, or body, or from all parts of the circumference of a circle; the middle point or place.
(n.) The middle or central portion of anything.
(n.) A principal or important point of concentration; the nucleus around which things are gathered or to which they tend; an object of attention, action, or force; as, a center of attaction.
(n.) The earth.
(n.) Those members of a legislative assembly (as in France) who support the existing government. They sit in the middle of the legislative chamber, opposite the presiding officer, between the conservatives or monarchists, who sit on the right of the speaker, and the radicals or advanced republicans who occupy the seats on his left, See Right, and Left.
(n.) A temporary structure upon which the materials of a vault or arch are supported in position until the work becomes self-supporting.
(n.) One of the two conical steel pins, in a lathe, etc., upon which the work is held, and about which it revolves.
(n.) A conical recess, or indentation, in the end of a shaft or other work, to receive the point of a center, on which the work can turn, as in a lathe.
(v. i.) Alt. of Centre
(v. t.) Alt. of Centre
Example Sentences:
(1) When subjects centered themselves actively, or additionally, contracted trunk flexor or extensor muscles to predetermined levels of activity, no increase in trunk positioning accuracy was found.
(2) Suggested is a carefully prepared system of cycling videocassettes, to effect the dissemination of current medical information from leading medical centers to medical and paramedical people in the "bush".
(3) Of the 138 patients who were admitted to the study, only seventy-one (51 per cent) could be followed for an average of 3.5 years (a typical return rate of urban trauma centers).
(4) Their receptive fields comprise a temporally and spatially linear mechanism (center plus antagonistic surround) that responds to relatively low spatial frequency stimuli, and a temporally nonlinear mechanism, coextensive with the linear mechanism, that--though broad in extent--responds best to high spatial-frequency stimuli.
(5) The study included fifty children, aged six to fourteen years, selected from patients seeking routine dental care at Children's Hospital National Medical Center.
(6) By using these methods, it was clearly indicated that these factors such as TDF of rectum, Z-coordinate of weighted geometric center (WGC-Z), the dose of whole pelvic irradiation, history of chemotherapy and Treponema pallidum hemoagglutination test (TPHA) were important for occurrence of rectal complication.
(7) This paper describes the demographic, clinical, and psychosocial characteristics of a sample of chronically mentally ill clients at a large comprehensive community mental health center.
(8) Cloacal exstrophy, centered on the maldevelopment of the primitive streak mesoderm and cloacal membrane, results in bladder and intestinal exstrophy, omphalocele, gender confusion, and hindgut deformity.
(9) T cells admixed in the germinal centers were overwhelmingly of the T-helper type.
(10) Changing conditions call for each Community Mental Health Center (CMHC) to develop a survival strategy based on its own standards and values.
(11) Of the 385 records reviewed for this study, the majority (87%) received their primary care at community health centers or the hospital's own outpatient clinics.
(12) Radiologic abnormalities included an unusual "moth-eaten" appearance of the markedly short long bones, bizzare ectopic ossification centers, and marked platyspondyly with unusual ossification centers.
(13) The purpose of this study was to determine whether there was a temporal association between the introduction of a Fetal Diagnostic and Treatment Center and changes in fetal mortality.
(14) The lack of TBM prior to germinal center development and their absence in aged mice are inconsistent with the concept that TBM are required for the induction of the germinal center reaction.
(15) Continuity of care programs, such as that developed by the Pain Service of Memorial Sloan-Kettering Cancer Center (New York), with good communication and liaison work between hospital and community, add a much needed dimension to the pain management of these patients in the home.
(16) In contrast, Sca-2 did not appear to stain peripheral T lymphocytes, but recognized only a subset of B lymphocytes which could be localized by immunohistochemistry to germinal centers.
(17) An AT-rich stretch is centered at position -31 with respect to the transcription initiation site, and a potential CCAAT box is centered at position -138.
(18) Patient care data for patients treated at the medical center are first recorded on paper charts and then coded and transferred to computer.
(19) Intrinsic bending of the 527-bp fragment (bend center approximately at bp 240) was represented as a composite of at least two components located near bp 170 and near bp 260.
(20) The shading of the optoelectronic system had a coefficient of variation (CV) of 1.42% for measurements in the center of the displayed area, but a CV of 3.55% for measurements over the whole monitor area.
Delta
Definition:
(n.) A tract of land shaped like the letter delta (/), especially when the land is alluvial and inclosed between two or more mouths of a river; as, the delta of the Ganges, of the Nile, or of the Mississippi.
Example Sentences:
(1) It was shown that delta F508 frequency of CF-patients was 59.2%, the frequencies of S5491, G551D and K533X were about 1%.
(2) 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.
(3) Apparently, the irradiation with visible light of a low intensity creates an additional proton gradient and thus stimulates a new replication and division cycle in the population of cells whose membranes do not have delta pH necessary for the initiation of these processes.
(4) During control, no significant difference between systolic fluctuation (delta Pa) and pleural swings (delta Ppl) was found.
(5) Following in vitro C activation in NHS by delta IgG, the 40 KD C4d component increased markedly.
(6) The data support the conclusion that accumulation of lipid II is responsible in some way for the hypersensitivity of delta rfbA mutants to SDS.
(7) The second experiments entailed use of the nonspecific opiate antagonist, naloxone, as well as the specific delta antagonist, ICI 154,129, against seizures induced by icv-administered morphine, morphiceptin, DADL, or DSLET.
(8) Delta roc, which extends from base pairs 41883 to 43825, overlaps the nin5 deletion, which extend from base pairs 40501 to 43306.
(9) Our results indicate that all gamma delta TCR+ cells can be identified with the MoAb anti-TCR-delta 1.
(10) In each subject, the activity in leucocytes of delta-aminolaevulinic acid (ALA) synthase increased and that of protoporphyrinogen (proto) oxidase decreased during the first week of therapy.
(11) Then, the delta Fract (coronary flow reserve index) map was obtained for each subject.
(12) A detailed stereochemical analysis of known protein structures has been made which shows that: (1) irregular regions of proteins consist of a limited number of standard structures formed by three, four of more residues; (2) an amino acid residue of a protein can adopt one of the six sterically allowed conformations designated here as alpha, alpha L, beta, gamma, delta, and epsilon.
(13) Two years ago, the Intergovernmental Panel on Climate Change declared Egypt's Nile Delta to be among the top three areas on the planet most vulnerable to a rise in sea levels, and even the most optimistic predictions of global temperature increase will still displace millions of Egyptians from one of the most densely populated regions on earth.
(14) Cells transfected with either the first or second construct and selected for the TK+ phenotype were then tested for TK induction after superinfection with HSV-1(F) delta 305, containing a deletion in the coding sequences of the TK gene, and viruses containing, in addition, a ts lesion in the alpha 4 regulatory protein (ts502 delta 305) or in the beta 8 major DNA-binding protein (tsHA1 delta 305).
(15) Two of the anti-delta-positive patients had chronic hepatitis, four had liver cirrhosis.
(16) However, recent data indicate that delta-5 adrenal steroids decrease markedly in both men and women.
(17) The delta qa-1S strain exhibits constitutive expression of the qa genes supporting earlier evidence that the qa-1S gene codes for a repressor.
(18) A mutant delta ptsH of Escherichia coli was used to obtain a mutation which damages a function of cytoplasmic specific component of the fructose phosphotransferase system--FPr protein.
(19) In urethane-anesthetized rabbits, IOP and blood pressure were lowered by intravenous administration of delta 9-THC but not by bolus cerebral administration.
(20) In this paper, we develop functions suggested by and regression fit to crystallographic data which allow three of these torsion angles, alpha (O3'-P-O5'-C5'), delta (C5'-C4'-C3'-O3') and epsilon (C4'-C3'-O3'-P), to be calculated as dependent variables of those remaining.