megaspore mother cell: meaning, definition, pronunciation and examples
C2technical, scientific, academic
Quick answer
What does “megaspore mother cell” mean?
A diploid cell in a plant's ovule that undergoes meiosis to produce four haploid megaspores, only one of which typically develops into the female gametophyte.
Audio
Pronunciation
Definition
Meaning and Definition
A diploid cell in a plant's ovule that undergoes meiosis to produce four haploid megaspores, only one of which typically develops into the female gametophyte.
In botany and plant biology, the specialized progenitor cell within the megasporangium (nucellus) that is the direct precursor to the megaspores, which are essential for sexual reproduction in seed plants.
Dialectal Variation
British vs American Usage
Differences
No significant differences in usage. Spelling remains identical. The term is used identically in British and American scientific literature.
Connotations
None beyond its precise scientific definition.
Frequency
Extremely low frequency in both dialects, confined to specialized botanical texts, university courses, and research papers. No discernible difference in usage frequency.
Grammar
How to Use “megaspore mother cell” in a Sentence
The megaspore mother cell (verb: divides/undergoes meiosis) to produce megaspores.A (single) megaspore mother cell is located in the nucellus.Vocabulary
Collocations
Usage
Meaning in Context
Business
Not used.
Academic
Used exclusively in advanced botany, plant science, and biology courses and publications.
Everyday
Not used.
Technical
The primary context. Used in technical descriptions of plant reproduction, embryology, and developmental biology.
Vocabulary
Synonyms of “megaspore mother cell”
Neutral
Weak
Vocabulary
Antonyms of “megaspore mother cell”
Watch out
Common Mistakes When Using “megaspore mother cell”
- Confusing it with 'microspore mother cell' (which produces pollen).
- Misspelling as 'megaspore mother sell'.
- Using it as a general term for any plant cell.
FAQ
Frequently Asked Questions
Yes, the terms are synonymous in botanical literature. 'Megasporocyte' is often preferred in more technical descriptions.
It is located within the nucellus (the megasporangium) of the plant's ovule.
It is diploid (2n). It undergoes meiosis to produce haploid (n) megaspores.
In most flowering plants, only one of the four megaspores produced survives and develops into the functional female gametophyte (embryo sac).
A diploid cell in a plant's ovule that undergoes meiosis to produce four haploid megaspores, only one of which typically develops into the female gametophyte.
Megaspore mother cell is usually technical, scientific, academic in register.
Megaspore mother cell: in British English it is pronounced /ˈmɛɡəˌspɔː ˈmʌðə sɛl/, and in American English it is pronounced /ˈmɛɡəˌspɔr ˈmʌðər sɛl/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: MEGA (large) + SPORE (reproductive cell) + MOTHER (source) + CELL. The 'mother' cell that gives birth to the large spores which become the egg-bearing part of the plant.
Conceptual Metaphor
A factory floor manager: it is the single specialized unit that initiates the precise, regulated production line (meiosis) to create the products (megaspores) needed for the next stage.
Practice
Quiz
What is the primary function of a megaspore mother cell?