ascospore
/'æskəspɔ:/
Học thuậtThân thiện
Definition
- Noun:
- A sexually produced fungal spore formed within an ascus: An ascospore is a type of spore, a reproductive cell, that is created through the process of sexual reproduction in certain fungi. It develops inside a specialized sac-like structure called an ascus.
Examples of Usage
- Noun:
- Under the microscope, we observed the ascospores being released from the asci.
- The identification of the fungus depends on the shape and size of its ascospores.
- Ascospore formation is a key characteristic of fungi in the phylum Ascomycota.
Advanced Usage
- "Ascospore discharge": The process by which ascospores are forcibly ejected from the ascus into the air.
- The mechanism of ascospore discharge helps the fungus disperse its spores over a wide area.
- "Ascospore germination": The process where an ascospore begins to grow and develop into a new fungal organism.
- Optimal moisture and temperature are required for ascospore germination.
Variants and Related Words
- Ascus (n): The sac-like cell in which ascospores are formed and contained.
- Each ascus typically contains eight ascospores.
- Ascomycete (n): A member of the phylum Ascomycota, the group of fungi that produce ascospores.
- Yeasts, molds, and morels are all examples of ascomycetes.
Synonyms
- Fungal spore: A general term for a reproductive cell produced by a fungus. (Note: "Ascospore" is a specific type of fungal spore produced sexually within an ascus.)
Related Terms and Phrases
- Sexual reproduction: The biological process involving the fusion of genetic material from two parents, which in ascomycete fungi leads to ascospore formation.
- Asexual spore: A spore produced without genetic recombination, such as a conidium, which contrasts with a sexually produced ascospore.
Noun
- sexually produced fungal spore formed within an ascus