vascular tissue
Học thuậtThân thiện
Definition
- Noun:
- Plant transport system: Specialized tissue in higher plants that conducts fluids, dissolved nutrients, and food throughout the plant body. It is composed primarily of xylem and phloem.
Usage
- General Use: The term is used in botany and plant biology to describe the internal system responsible for long-distance transport.
- Key Contexts: It is central to discussions of plant anatomy, physiology, and the evolution of land plants.
Examples
- Noun:
- The stem contains bundles of vascular tissue.
- Damage to the vascular tissue can impede the flow of water to the leaves.
- Ferns and flowering plants both possess vascular tissue.
Advanced Usage
- "Complex vascular tissue": Refers to the organized arrangement of xylem and phloem into strands (vascular bundles) in stems and roots.
- The complex vascular tissue in trees allows them to grow to great heights.
- "Primary vascular tissue": The vascular tissue formed from the primary meristem during initial plant growth.
- The primary vascular tissue is arranged in a ring within the stem.
Variants and Related Words
- Vascular (adj): Relating to or containing vessels that conduct fluids.
- The vascular system is essential for plant survival.
- Vascular bundle (n): A strand of conducting vessels in the stem or leaf of a plant, containing xylem and phloem.
- The vascular bundles are visible under a microscope.
- Vascular plant (n): Any plant that possesses vascular tissue (xylem and phloem); includes clubmosses, ferns, gymnosperms, and angiosperms.
- Trees, shrubs, and grasses are all vascular plants.
Synonyms
- Conducting tissue: A more general term for tissue that transports substances.
- Vascular system: Often used to refer to the complete network of vascular tissue in a plant.
Related Concepts (Not Phrasal Verbs/Idioms)
- Xylem (n): The vascular tissue responsible for the transport of water and dissolved minerals from the roots upward.
- Phloem (n): The vascular tissue responsible for transporting sugars and other metabolic products downward from the leaves.
- Stele (n): The central core of vascular tissue in roots and stems.
Noun
- tissue that conducts water and nutrients through the plant body in higher plants