tượng tầng
Definition
- Noun (Botany):
- Cambium: A layer of actively dividing cells (meristem) in the stems and roots of vascular plants, responsible for secondary growth. This growth increases the girth of the plant, producing new layers of xylem (wood) toward the inside and phloem (inner bark) toward the outside.
Usage Examples
- Noun:
- Tượng tầng là một mô phân sinh quan trọng. (The cambium is an important meristematic tissue.)
- Sự phát triển của thân cây phụ thuộc vào hoạt động của tượng tầng. (The growth of the tree trunk depends on the activity of the cambium.)
Advanced Usage
- "Tượng tầng" is a specialized botanical term. In everyday language, it is rarely used outside of scientific, agricultural, or educational contexts related to plant biology and forestry.
Variants and Related Words
- Tầng phát sinh (n): This is a more general Vietnamese term for "meristem" or "generative layer," which can include the cambium.
- Tầng phát sinh bên là tượng tầng. (The lateral meristem is the cambium.)
- Tượng tầng bần (n): Cork cambium (phellogen). A related meristematic layer that produces cork cells.
- Tượng tầng bần tạo ra lớp vỏ ngoài bảo vệ cây. (The cork cambium produces the outer protective bark.)
Synonyms
- Cambium layer
- Vascular cambium (a more specific term)
Related Terms (Botanical Context)
- Xylem (n): The woody tissue produced inward by the cambium, responsible for transporting water and minerals.
- Phloem (n): The vascular tissue produced outward by the cambium, responsible for transporting sugars and nutrients.
- Secondary growth (n): The type of growth in thickness facilitated by the cambium.