chromosome analysis


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Related to chromosome analysis: karyotyping, Cytogenetic analysis

analysis

 [ah-nal´ĭ-sis] (pl. anal´yses)
separation into component parts.
psychoanalysis. adj., adj analyt´ic.
activity analysis the breaking down of an activity into its smallest components for the purpose of assessment.
bivariate analysis statistical procedures that involve the comparison of summary values from two groups on the same variable or of two variables within a group.
blood gas analysis see blood gas analysis.
chromosome analysis see chromosome.
concept analysis examination of the attributes of a concept as it occurs in ordinary usage in order to identify the meanings attached to the concept.
content analysis a systematic procedure for the quantification and objective examination of qualitative data, such as written or oral messages, by the classification and evaluation of terms, themes, or ideas; for example, the measurement of frequency, order, or intensity of occurrence of the words, phrases, or sentences in a communication in order to determine their meaning or effect.
correlational analysis a statistical procedure to determine the direction of a relationship (positive or negative correlation) between two variables and the strength of the relationship (ranging from perfect correlation through no correlation to perfect inverse correlation and expressed by the absolute value of the correlation coefficient).
analysis of covariance (ANCOVA) a variation of analysis of variance that adjusts for confounding by continuous variables.
data analysis the reduction and organization of a body of data to produce results that can be interpreted by the researcher; a variety of quantitative and qualitative methods may be used, depending upon the nature of the data to be analyzed and the design of the study.
ego analysis in psychoanalytic treatment, the analysis of the strengths and weaknesses of the ego, especially its defense mechanisms against unacceptable unconscious impulses.
gait analysis see gait analysis.
gastric analysis see gastric analysis.
multiple-locus variable number of tandem repeat analysis (MLVA) a laboratory tool designed to recognize tandem repeats and other qualities in the genome of an individual to provide a high resolution DNA fingerprint for the purpose of identification.
multivariate analysis statistical techniques used to examine more than two variables at the same time.
power analysis a statistical procedure that is used to determine the number of required subjects in a study in order to show a significant difference at a predetermined level of significance and size of effect; it is also used to determine the power of a test from the sample size, size of effect, and level of significance in order to determine the risk of Type II error when the null hypothesis is accepted.
qualitative analysis the determination of the nature of the constituents of a compound or a mixture of compounds.
quantitative analysis determination of the proportionate quantities of the constituents of a compound or mixture.
SNP analysis analysis of single nucleotide polymorphisms to assess artificially produced genetic modifications or identify different strains of an organism.
transactional analysis a type of psychotherapy based on an understanding of the interactions (transactions) between patient and therapist and between patient and others in the environment; see also transactional analysis.
analysis of variance ANOVA; a statistical test used to examine differences among two or more groups by comparing the variability between the groups with the variability within the groups.
variance analysis the identification of patient or family needs that are not anticipated and the actions related to these needs in a system of managed care. There are four kinds of origin for the variance: patient-family origin, system-institutional origin, community origin, and clinician origin.
vector analysis analysis of a moving force to determine both its magnitude and its direction, e.g., analysis of the scalar electrocardiogram to determine the magnitude and direction of the electromotive force for one complete cycle of the heart.

chromosome analysis

a laboratory procedure that isolates the chromosome pairs so that they may be visualized.

chromosome analysis

Genetics A procedure in which cells–usually of fetal origin are obtained, either in the 1st trimester by chorionic villus biopsy, or later in pregnancy by amniocentesis, and grown in a tissue culture, to detect major chromosome defects Indications Mixed congenital anomalies with mental or growth retardation, infertility, in cryptorchidic testes, ambiguous genitalia, repeated neonatal death, advanced maternal age, and in adults, analysis of neoplasia Specimens Amniotic fluid–prenatal; blood in green top tube; BM if leukemia is suspected; maintain at room temperature. See Banding. Cf DNA hybridization, FISH, PCR.

chromosome analysis

Examination of stained CHROMOSOMES in a stage at which they are widely separated and easily visualized. The chromosomes are photographed and set out in matching pairs in an orderly arrangement known as a karyotype. The process allows ready diagnosis of a range of conditions known to be the result of gross chromosomal, rather than gene, abnormalities.
References in periodicals archive ?
This 185-page report provides detailed assessments of such technologies as monoclonal antibodies, immunoassays, DNA probes, biochips/microarrays, chromosome analysis, IT, flow cytometry, biosensors, and their potential applications for tumor markers technologies.
Classic techniques for chromosome analysis generally have gained accurate assessment of chromosome numbers and morphology in a wide variety of aquatic invertebrate species (Thiriot-Quievreux 1994); yet the number of species investigated from the cytogenetic point of view is scarce, only about 160 of approximately 15,000 species in the Bivalvia class (Zheng et al.
An alternative solution is the development of analytical strategies that can perform relative chromosome analysis despite the low fractional concentration of circulating fetal DNA in maternal plasma.
A comparison of the data on isolated nuclei versus the chromosome analysis on cultured cells is provided in the Table.
Chatsworth, CA 3/18/00-International Remote Imaging Systems (IRIS) announced that it has signed a letter of intent to sell Perceptive Scientific Instruments (PSI), a chromosome analysis and molecular genetics digital imaging systems company.
He and his associates performed blood chromosome analysis on 300 infants born to 238 women following intracytoplasmic sperm injection.
If a physician suspects SMS, he can order high-resolution chromosome analysis.
The test for the repeated gene "presents a better diagnostic strategy" than chromosome analysis, he says.
Chromosome analysis using different staining techniques and fluorescent in situ hybridization in Cerethium vulgatum (Gastropoda: Cerithiidae).

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