Meaning
A biological term referring to the thin, flexible barrier that surrounds the cell and separates its internal contents from the external environment. It controls what enters and exits the cell, maintaining the cell's integrity and allowing selective transport of substances.
Usage
This is a technical scientific term used primarily in biology, medicine, and academic contexts. It's commonly encountered in textbooks, research papers, and educational settings. In everyday conversation, non-specialists rarely use this term unless discussing biology or health topics.
Examples
- 01细胞膜控制物质进出细胞。.The cell membrane controls the movement of substances in and out of the cell.
- 02这种病毒能够穿透细胞膜进入细胞内部。.This virus can penetrate the cell membrane and enter the interior of the cell.
Characters
Measure words
- 层一层细胞膜
Common collocations
- 细胞膜结构cell membrane structure
- 细胞膜的通透性permeability of the cell membrane
- 穿过细胞膜to pass through the cell membrane
Origin
Compound word combining 细胞 (cell, literally 'fine chamber') with 膜 (membrane). The term was coined in modern Chinese as a translation of the Western scientific concept during the introduction of modern biology in the late 19th and early 20th centuries.