Meaning
This is a scientific term referring to the nucleus of a cell, the membrane-enclosed organelle that contains the genetic material (DNA) in eukaryotic cells. It is the control center of the cell that regulates gene expression and cellular activities.
Usage
This is a formal scientific and medical term used primarily in biology, medicine, and related academic contexts. In everyday conversation, it would only appear when discussing biology or health topics at a technical level. Commonly appears in textbooks, research papers, and educational materials.
Examples
- 01细胞核内含有遗传物质DNA。.The cell nucleus contains genetic material DNA.
- 02在显微镜下可以清楚地看到细胞核的结构。.Under the microscope, one can clearly see the structure of the cell nucleus.
Characters
Measure words
- 个一个细胞核
Common collocations
- 细胞核分裂nuclear division
- 细胞核移植nuclear transfer
- 细胞核内inside the nucleus
Origin
Compound of 细胞 (cell, literally 'fine chambers') and 核 (nucleus/core). The term 细胞 was coined in the late 19th century as a translation of the biological term 'cell', while 核 was added to specify the central organelle within the cell.