ACHROMATIN Meaning and
Definition
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Achromatin refers to a specific region within a cell nucleus that appears lightly stained and lacks distinct chromatin structures. It is commonly found in non-dividing cells and is characterized by its loosely arranged genetic material. The term "achromatin" is derived from the Greek words "a," meaning "without," and "chroma," meaning "color," indicating its lack of color intensity compared to the more densely packed chromatin regions.
Within the nucleus, chromatin is the combination of DNA and associated proteins, forming a complex structure that plays a crucial role in gene regulation and genetic material organization. Achromatin, in contrast, comprises regions with less condensed chromatin fibers in a less organized manner. These less-stained areas indicate regions where DNA is less tightly coiled, facilitating the accessibility of genes for transcription and other cellular processes.
The presence of achromatin within a cell's nucleus is essential for various biological activities, including gene expression and regulation, as well as DNA replication. It allows for the necessary unwinding and unfolding of DNA strands, making genes accessible to the transcriptional machinery and enabling the necessary replication and repair processes. Achromatin also contributes to the overall structural organization of the nucleus and helps maintain cellular integrity.
In summary, achromatin refers to the loosely arranged, lightly stained regions within the nucleus of non-dividing cells, with a relatively open chromatin structure. Its presence is crucial for gene expression, genome organization, and various cellular processes.
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The hyaloplasm or plasm of the cell, so called because of its weak staining property; especially the caryoplasm or structureless protoplasm of the cell-nucleus.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for ACHROMATIN
- zchromatin
- schromatin
- wchromatin
- qchromatin
- axhromatin
- avhromatin
- afhromatin
- adhromatin
- acgromatin
- acbromatin
- acnromatin
- acjromatin
- acuromatin
- acyromatin
- acheomatin
- achdomatin
- achfomatin
- achtomatin
- ach5omatin
- achromain
Etymology of ACHROMATIN
The word achromatin has its roots in Greek. It is derived from the combination of two Greek words: a meaning without or not, and chroma meaning color. Therefore, achromatin can be understood to mean without color or colorless.
Similar spelling words for ACHROMATIN
- acherontic,
- acromion,
- acrimony,
- acheron,
- achromatinic,
- achromatic,
- acherontia,
- achromatise,
- achromous,
- achromatism,
- achromatous,
- achromatize,
- achromia,
- achromic,
- acarine,
- achromasia,
- achromycin.
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