ascospore: meaning, definition, pronunciation and examples
C2technical / scientific
Quick answer
What does “ascospore” mean?
A spore produced within an ascus, a sac-like cell found in fungi of the division Ascomycota.
Audio
Pronunciation
Definition
Meaning and Definition
A spore produced within an ascus, a sac-like cell found in fungi of the division Ascomycota.
The sexually produced spore that is the primary reproductive unit of ascomycete fungi, formed through meiosis within a characteristic sac (ascus). It is a key diagnostic feature in fungal taxonomy and life cycles.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or definitional differences. Pronunciation and stress may vary slightly.
Connotations
Neutral and identical in both varieties, carrying purely technical/scientific meaning.
Frequency
Extremely rare in general discourse. Frequency is identical in both regions, confined to specialised academic and professional contexts (mycology, plant pathology, biology).
Grammar
How to Use “ascospore” in a Sentence
The ascospore germinates.The ascus contains [number] ascospores.Ascospores are produced by [fungus name].Vocabulary
Collocations
Examples
Examples of “ascospore” in a Sentence
verb
British English
- The fungus will ascospore under specific nutrient conditions. (Note: This is a rare, back-formed, non-standard usage).
American English
- The culture was observed to ascospore after temperature shock. (Note: This is a rare, back-formed, non-standard usage).
adjective
British English
- The ascospore wall exhibited a distinctive ornamentation under the microscope.
American English
- Ascospore discharge is a key mechanism for fungal dispersal in that species.
Usage
Meaning in Context
Business
Virtually never used.
Academic
Core term in mycology, plant pathology, and biological life cycle studies. Used in research papers, textbooks, and lectures.
Everyday
Never used.
Technical
Essential terminology for laboratory mycologists, plant disease diagnosticians, and microbiologists.
Vocabulary
Synonyms of “ascospore”
Neutral
Weak
Vocabulary
Antonyms of “ascospore”
Watch out
Common Mistakes When Using “ascospore”
- Using 'ascospore' to refer to any fungal spore.
- Pronouncing it as /eɪskoʊspɔːr/ (with a long 'a').
- Misspelling as 'ascospoor' or 'ascosspore'.
FAQ
Frequently Asked Questions
No. Mushrooms are typically basidiomycetes, producing spores on basidia. Ascospores are specific to ascomycete fungi, which include yeasts, moulds like Aspergillus, and cup fungi.
The number is often eight (resulting from meiosis followed by one mitotic division), but it can vary (e.g., four, sixteen, or many) depending on the fungal species.
No. Individual ascospores are microscopic. However, the fruiting bodies (like cup-shaped apothecia) that contain thousands of asci may be visible.
Its primary function is sexual reproduction and dispersal, allowing the fungus to survive unfavourable conditions and colonise new environments.
A spore produced within an ascus, a sac-like cell found in fungi of the division Ascomycota.
Ascospore is usually technical / scientific in register.
Ascospore: in British English it is pronounced /ˈaskəʊspɔː/, and in American English it is pronounced /ˈæskoʊspɔːr/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Imagine an ASCOt (a type of hat) that SPOREs (releases spores). The hat is the sac (ascus) and the spores are inside it – ASCOSPORES.
Conceptual Metaphor
A seed in a pod. The ascus is the protective pod, and the ascospores are the seeds inside, waiting to be released to grow into a new organism.
Practice
Quiz
What is the defining structure in which an ascospore is formed?