Homogeneously staining region
Homogeneously Staining Region (HSR)
Homogeneously Staining Region (HSR) is a term used in Cytogenetics to describe a region of a chromosome that stains uniformly with a particular dye. This region is often associated with gene amplification in cancer cells.
Pronunciation
Homogeneously: /hɒməˈdʒiːnɪəsli/ Staining: /ˈsteɪnɪŋ/ Region: /ˈriːdʒən/
Etymology
The term "Homogeneously Staining Region" is derived from the uniform staining characteristics of these regions under a microscope. "Homogeneously" comes from the Greek word "homogenēs" meaning "of the same kind", "staining" refers to the process of applying a dye or stain to a material to enhance its microscopic visibility, and "region" refers to a specific area or section.
Related Terms
- Cytogenetics: The branch of genetics that studies the structure and function of cells, especially the chromosomes.
- Chromosome: A thread-like structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
- Gene Amplification: A process that increases the copy number of a particular gene in a genome, often leading to an overproduction of the protein the gene encodes.
- Cancer Cells: Cells that grow and divide at an unregulated, quickened pace and can spread to different parts of the body through the blood and lymph systems.
See Also
External links
- Medical encyclopedia article on Homogeneously staining region
- Wikipedia's article - Homogeneously staining region
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