definition of cytogenetic
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Cytogenetics Cytogenetics. a science that deals with the regularities of heredity in relation to the structure and functions of various intracellular structures (see. ).
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biology — biogenetic, biogenic, adj. biology. the science or study of all manner of life and living organisms. — biologist, n. — biological, adj. biolysis. the destruction of life, as by bacteria. — biolytic, adj. biometrics, biometry. 1. the calculation of the probable extent of human lifespans.
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Cytogenetics Techniques used include karyotyping, analysis of G-banded chromosomes, other cytogenetic banding techniques, as well as molecular cytogenetics such as fluorescent in situ hybridization (FISH) and comparative genomic hybridization (CGH).
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CYTOLOGIC cytologic; cytological. Pertainym: cytology (the branch of biology that studies the structure and function of cells)
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Cytogenetically normal acute myeloid leukemia Cytogenetically normal acute myeloid leukemia (CN-AML) is one form of a cancer of the blood-forming tissue (bone marrow) called acute myeloid leukemia.
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- Definition of Cytogenetics. Cytogenetics: The study of chromosomes, which are the visible carriers of the hereditary material. Cytogenetics is a fusion science, joining cytology (the study of cells) with genetics (the study of inherited variation). Last Editorial Review: 6/9/2016.
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- Cytology section, cytologist (ct) process and examine tissue a…. Histology technicians and technologists process and study tiss…. Cytogenetics is the section in which chromosomes studies are p…. The clinical area is divided into specialized section, hematol….
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- cytogenetics. that branch of genetics devoted to the cellular constituents concerned in heredity, i.e. the chromosomes; the combined sciences of genetics and cytology. clinical cytogenetics. the branch of cytogenetics concerned with relations between chromosomal abnormalities and pathological conditions. 1  Facebook.
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Somitogenesis Somitogenesis is the process by which somites form. Somites are bilaterally paired blocks of mesoderm that form along the anterior-posterior axis of the developing embryo in segmented animals. In vertebrates, somites give rise to skeletal muscle, cartilage, tendons, endothelial cells, and dermis.
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- Teratogenic definition, a drug or other substance capable of interfering with the development of a fetus, causing birth defects. See more.
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- Related to cytogenetics: Flow cytometry, molecular genetics. (sī′tō-jə-nĕt′ĭks) n. (used with a sing. verb) The branch of genetics that deals with the cellular components, particularly chromosomes, that are associated with heredity.
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Carcinogenesis Each mutation alters the behavior of the cell somewhat. Carcinogenesis, also called oncogenesis or tumorigenesis, is the formation of a cancer, whereby normal cells are transformed into cancer cells. The process is characterized by changes at the cellular, genetic, and epigenetic levels and abnormal cell division. Cell division is a physiological process that occurs in almost all tissues and under a variety of circumstances. Normally the balance between proliferation and programmed cell death, in the form of apoptosis, is maintained to ensure the int
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cytology Cytology definition, the study of the microscopic appearance of cells, especially for the diagnosis of abnormalities and malignancies. See more.
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- med·i·cal ge·net·ics. 1  the study of the etiology, pathogenesis, and natural history of human diseases which are at least partially genetic in origin. Compare: clinical genetics, human genetics. 2  The study of the etiology, pathogenesis, and natural history of human diseases that are at least partially genetic in origin.
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Oncogenetics. A new emerging field of cancer. Recent technical advances in this field will give rise to conceptual advances and there is every reason to believe that a new field of cancer genetics is emerging, named here Oncogenetics: a branch of genetics describing the cause of effects of genes causing neoplasia.
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- /car·cin·o·gen/ (kahr-sin´ah-jen) any substance which causes cancer.carcinogen´ic. epigenetic carcinogen one that does not itself damage DNA but causes alterations that predispose to cancer. genotoxic carcinogen one that reacts directly with DNA or with macromolecules that then react with DNA.
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cytogenetics cytogenetics. the science correlating cytology and genetics as they relate to the behavior of chromosomes and genes in cells with regard to heredity and variation.
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CYP3A4 CYP3A4. A gene on chromosome 7q21.1 that encodes a member of the cytochrome P450 superfamily of monooxygenases, which catalyse reactions in drug metabolism and synthesis of cholesterol, steroids and other lipids. CYP3A4 localises to the endoplasmic reticulum; its expression is induced by glucocorticoids and drugs.
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mitosis 1. The process in cell division by which the nucleus divides, typically consisting of four stages, prophase, metaphase, anaphase, and telophase, and normally resulting in two new nuclei, each of which contains a complete copy of the parental chromosomes. Also called karyokinesis. 2.
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- noun. 1  The doctrine of transmigration of souls; metempsychosis. 2  The supposed repetition by an organism during its embryonic development of the stages in the evolution of its species, as asserted by the discredited biogenetic law.
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genotype Compare phenotype. genotypic, adj. Genetics The entire genetic makeup of an organism, the type species of a genus, defined by the complement of allelic forms of each gene or genetic markers present in an organism's genome. See Gene, Genetic marker, Nucleus, Phenotype.
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- o·o·cyte. n. A diploid cell from which an egg or ovum develops by meiosis. A primary oocyte divides to produce a polar body and a secondary oocyte, which divides again to produce the ovum and another polar body.·o·cyte. n. A diploid cell from which an egg or ovum develops by meiosis. A primary oocyte divides to produce a polar body and a secondary oocyte, which divides again to produce the ovum and another polar body.
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Definitions &Translations Pathogenesis. The pathogenesis of a disease is the mechanism that causes the disease. The term can also describe the origin and development of the disease, and whether it is acute, chronic, or recurrent.The word comes from the Greek pathos and genesis.Types of pathogenesis include microbial infection, inflammation, malignancy and tissue breakdown.Most diseases are caused by multiple processes. For example, certain cancers arise from dysfunction of the immune system.he word comes from the Greek pathos and genesis. Types of pathogenesis include microbial infection, inflammation, malignancy and tissue breakdown. Most diseases are caused by multiple processes. For example, certain cancers arise from dysfunction of the immune system.
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cytology cytology. the branch of biology that studies the structure, function, multiplication, and life history of cells. — cytologist, n. — cytologie, cytological, adj. the branch of biology that studies the structure, growth, and pathology of cells. — cytologist, n. — cytologie, cytological, adj.
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- Cytogenetic studies, in the past fifty years or so, have established that the sex of on organism, in its early development is determined by special chromosomes called Sex chromosomes or Allosomes, such as X and Y.
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cytogenetics [sī′tōjənet′iks] the branch of genetics that studies the cellular constituents concerned with heredity, primarily the structure, function, and origin of the chromosomes. One kind of cytogenetics is clinical cytogenetics. Also called cytogenics.