Lưu ý: Bản dịch của mục này hiện đang được kiểm tra chất lượng, vì vậy một số nội dung tạm thời chỉ hiển thị bằng tiếng Anh.
Mục từ này chưa được dịch sang ngôn ngữ của bạn, vì vậy nội dung gốc được hiển thị bên dưới.
thallus
This term is a specialized botanical and mycological descriptor used to distinguish simple vegetative structures from the complex anatomy of vascular plants. It describes a body that lacks the specialized tissues—such as xylem and phloem—required to form true roots, stems, or leaves.
In a laboratory or academic setting, the term is used with high precision to categorize organisms like lichens and liverworts. It is rarely encountered in general conversation, appearing almost exclusively in scientific literature or textbooks concerning phycology and mycology.
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Ví dụ
The lichen thallus consists of a symbiotic relationship between a fungus and an alga.
Look at how the thallus of this liverwort spreads across the damp soil.
I wonder if the thallus structure allows for more efficient nutrient absorption in this environment.
I wonder if the thallus structure allows for more efficient nutrient absorption in this environment.
The specimen shows a flattened thallus with no visible vascular tissue.
Is the thallus of this particular species crustose or foliose?
The algae form a gelatinous thallus that clings to the underwater rocks.
The algae form a gelatinous thallus that clings to the underwater rocks.
We must examine the thallus under a microscope to see the cellular arrangement.
The thallus grows slowly over the bark of the tree over several decades.