phân trụ
Definition
- Noun (Botany):
- Meristele: A primary, discrete vascular bundle within a stem or other plant organ, especially as found in certain ferns and related plants. It refers to one of the separate strands of vascular tissue that make up a complex stele.
Usage Examples
- Noun:
- Quan sát dưới kính hiển vi cho thấy cấu trúc của phân trụ. (Observation under the microscope reveals the structure of the meristele.)
- Ở một số loài dương xỉ, mỗi phân trụ có thể có bó libe-gỗ riêng. (In some fern species, each meristele can have its own vascular bundle.)
Advanced Usage
- The term is highly specialized and used almost exclusively in technical botanical descriptions, particularly concerning the anatomy of pteridophytes (ferns and their relatives).
Variants and Related Words
- Trụ giữa (n): Stele; the central vascular cylinder in a plant stem or root.
- Bó mạch (n): Vascular bundle; a more general term for a strand of conducting vessels.
Synonyms
- Vascular bundle strand: A descriptive synonym in a botanical context.
- Meristele: The direct English equivalent.
Related Terms (Botanical Context)
- Đa trụ: Polystele; a stele consisting of several distinct vascular cylinders.
- Đơn trụ: Monostele; a stele consisting of a single vascular cylinder.