Intracellular Meaning: Definition, Examples, and Translations
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intracellular
[หษชntrษหsษlular ]
Definition
cell biology
Intracellular refers to something that exists or occurs within a cell. It contrasts with extracellular, which pertains to the outside of the cell. This term is crucial in various biological and medical contexts, particularly in the study of cellular processes and functions.
Synonyms
internal, intra-cellular.
Examples of usage
- Intracellular signaling pathways regulate gene expression.
- The drug acts intracellularly to target the proteins.
- Intracellular compartments play essential roles in metabolism.
Translations
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Origin of 'intracellular'
The term 'intracellular' is derived from the prefix 'intra-' meaning 'within' and 'cell,' which comes from the Latin 'cella' meaning 'small room' or 'chamber.' The concept of the cell as a fundamental unit of life was developed in the 19th century, with the formalization of cell theory by scientists like Schleiden and Schwann. 'Intracellular' has been increasingly utilized in the biological sciences to describe processes and structures that occur inside cells, especially as our understanding of cellular functions has expanded with advancements in microscopy and molecular biology. It plays a significant role in fields such as biochemistry, cellular biology, and medical research, helping to explain various physiological and pathological conditions.