bào xác
Definition
- Noun (Biology):
- Spore case / Sporangium: A botanical term for a sac, capsule, or structure in which spores are produced and contained, especially in fungi, ferns, mosses, and some algae. This is the primary scientific meaning.
- Cyst: In some biological contexts, it can refer to a protective, capsule-like structure surrounding an organism in a dormant or resting stage.
Usage Examples
- Noun:
- Dưới kính hiển vi, có thể thấy rõ các bào xác chứa đầy bào tử. (Under the microscope, the spore cases filled with spores can be clearly seen.)
- Một số loài tảo hình thành bào xác để tồn tại trong điều kiện khắc nghiệt. (Some algae form cysts to survive in harsh conditions.)
Advanced Usage
- This term is highly specialized and is almost exclusively used in scientific, academic, or botanical texts. It is very rare in everyday conversation.
Variants and Related Words
- Bào nang (n): This is a more common synonym in Vietnamese biological terminology, also meaning or .
- Bào tử (n): Spore. The reproductive unit contained within the .
Synonyms
- Sporangium: The scientific term for a spore-containing structure.
- Spore case: A more general descriptive term.
- Cyst: A resting or dormant stage with a protective wall.
Notes on Usage
- "bào xác" is marked as a rare term () even in technical dictionaries. The synonym "bào nang" is more frequently encountered in modern Vietnamese scientific literature.
- It should not be confused with more common words like "bào chế" (to prepare/pharmaceutical manufacture) or "xác" (corpse).