| LOR | long open reading frame; lorazepam; loricrin; loss of righting reflex |
|---|---|
| LORF | long open reading frame |
| ORF | open reading frame |
| orf | open reading frame |
| RT | radiologic technologist; radiotelemetry; radiotherapy; radium therapy; rapid tranquilization; reacti... |
| NART | National Adult Reading Test |
|---|---|
| ORF | Open Reading Frame |
| ORF1 | Open reading frame 1 |
| ORF 3 | Open reading frame 3 |
| ORF4 | Open reading frame 4 |
| Gleason's tumour grade | A classification of adenocarcinoma of the prostate by evaluation of the pattern of glandular differentiation; the tumour grade, know as Gleason's score, is the sum of the dominant and secondary patterns, each numbered on a scale of 1 to 5. (05 Mar 2000) |
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| grade | A harsh scraping or cutting; a grating. "The grade of hatchets fiercely thrown. On wigwam log, and tree, and stone." (Whittier) 1. A step or degree in any series, rank, quality, order; relative position or standing; as, grades of military rank; crimes of every grade; grades of flour. "They also appointed and removed, at their own pleasure, teachers of every grade." (Buckle) 2., The rate of ascent or descent; gradient; deviation from a level surface to an inclined plane; usually stated as so many feet per mile, or as one foot rise or fall in so many of horizontal distance; as, a heavy grade; a grade of twenty feet per mile, or of 1 in 264. A graded ascending, descending, or level portion of a road; a gradient. 3. The result of crossing a native stock with some better breed. If the crossbreed have more than three fourths of the better blood, it is called high grade. at grade, on the same level; said of the crossing of a railroad with another railroad or a highway, when they are on the same level at the point of crossing. Down grade, a descent, as on a graded railroad. Up grade, an ascent, as on a graded railroad. Equating for grades. See Equate. Grade crossing, a crossing at grade. Origin: F. Grade, L. Gradus step, pace, grade, from gradi to step, go. Cf. Congress, Degree, Gradus. 1. To arrange in order, steps, or degrees, according to size, quality, rank, etc. 2. To reduce to a level, or to an evenly progressive ascent, as the line of a canal or road. 3. To cross with some better breed; to improve the blood of. Origin: Graded; Grading. Source: Websters Dictionary (01 Mar 1998) |
| grade I astrocytoma | <tumour> Solid or cystic astrocytoma of high differentiation or low grade. (05 Mar 2000) |
| grade II astrocytoma | <tumour> Astrocytoma of intermediate grade. (05 Mar 2000) |
| grade III astrocytoma | <tumour> Astrocytoma of intermediate grade. See: glioblastoma multiforme. (05 Mar 2000) |
| grade IV astrocytoma | <oncology, tumour> A malignant brain tumour that accounts for 75% of glial tumours (arising from glial cells in the brain). Treatment is difficult and consists of a combination of radiation therapy and surgery. (17 Dec 1997) |
| low grade astrocytoma | <tumour> Astrocytoma characterised by an increased cellularity of uneven distribution and mild nuclear pleomorphism. (05 Mar 2000) |
| lymphoma, high-grade | One of the three major prognostic groupings for non-hodgkin lymphomas as proposed in the working formulation of the non-hodgkin's lymphoma pathologic classification project sponsored by the national cancer institute (1981). Lymphomas falling within this group have a relatively unfavorable survival potential. (12 Dec 1998) |
| lymphoma, intermediate-grade | One of the three major prognostic groupings for non-hodgkin lymphomas as proposed in the working formulation of the non-hodgkin's lymphoma pathologic classification project sponsored by the national cancer institute (1981). Lymphomas falling within this group have an intermediate survival potential. (12 Dec 1998) |
| lymphoma, low-grade | One of the three major prognostic groupings for non-hodgkin lymphomas as proposed in the working formulation of the non-hodgkin's lymphoma pathologic classification project sponsored by the national cancer institute (1981). Lymphomas falling within this group have a relatively favourable survival potential. (12 Dec 1998) |
| albumin Reading | Types of human serum albumin, distinguished by characteristic mobility patterns on electrophoresis; each type is due to a mutation of a gene controlling albumin synthesis; the mutant genes are codominant with the normal gene for albumin A, and the group forms a system of genetic polymorphism; types include: albumin b (slow), found occasionally in persons of European ancestry; albumin Ghent (fast), found first at Ghent, Belgium; albumin Mexico (slow), found in Indians of Mexico and the southwestern United States; albumin Naskapi (fast), found in the Naskapi and other Indians of northern North America; and albumin Reading (fast), found first at Reading, England. (05 Mar 2000) |
| blocked reading frame | A sequence of DNA that cannot be translated into a viable protein; usually due to the interruption by one or more termination codons. Synonym: closed reading frame. (05 Mar 2000) |
| reading frame | One of the three possible ways of reading a nucleotide sequence. As the genetic code is read in nonoverlapping triplets (codons) there are three possible ways of translating a sequence of nucleotides into a protein, each with a different starting point. For example: given the nucleotide sequence: AGCAGCAGC, the three reading frames are: AGC AGC AGC, GCA GCA, CAG CAG. (18 Nov 1997) |
| reading frame, open | An open reading frame in DNA has no termination codon, no signal to stop reading the nucleotide sequence, and so may be translated into protein. (12 Dec 1998) |
| reading frames | The sequence of codons by which translation may occur. A segment of mRNA 5'auccga3' could be translated in three reading frames, 5'auc.. Or 5'ucc.. Or 5'ccg.., depending on the location of the start codon. (12 Dec 1998) |
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