xúc hướng động
Definition
- Noun (Botany):
- Haptotropism: A directional growth movement in plants, specifically in climbing organs like tendrils or stems, in response to a persistent touch stimulus or physical contact with a solid object. It is a form of thigmotropism.
Usage Examples
- Noun:
- Cây đậu biểu hiện xúc hướng động khi tua cuốn của nó quấn quanh một cái cọc. (The bean plant exhibits haptotropism when its tendril coils around a stake.)
- Xúc hướng động giúp cây leo bám và vươn lên cao để tìm ánh sáng. (Haptotropism helps climbing plants attach and grow upward to find light.)
Advanced Usage
- This term is highly specialized and used almost exclusively in academic botanical contexts to describe a specific plant behavior. It is not used in everyday conversation.
Variants and Related Words
- Thigmotropism (n): A broader term for a plant's directional growth response to touch or physical contact. Haptotropism is a specific type of thigmotropism.
- Hướng động (n): Tropism; a general term for a plant's growth response to an external directional stimulus.
- Tua cuốn (n): Tendril; the specialized stem or leaf that exhibits haptotropism.
Synonyms
- Haptotropism: The direct scientific synonym.
- Thigmotropism (related): The general category of growth response to touch.
Related Scientific Concepts
- Phototropism: Growth response to light.
- Gravitropism: Growth response to gravity.
- Haptonasty: A non-directional plant movement in response to touch (differs from the directional growth of haptotropism).