karyokinesis
C2/TechnicalFormal, Scientific, Academic
Definition
Meaning
The process of cell division involving the division of the nucleus, especially during mitosis.
Specifically refers to the nuclear division phase of mitosis, distinct from cytokinesis (division of the cytoplasm). In broader biological contexts, it may be used to describe abnormal or disrupted nuclear division processes.
Linguistics
Semantic Notes
A precise, technical term in cell biology. While sometimes used synonymously with 'mitosis' in older or less precise texts, modern usage typically reserves 'karyokinesis' for the nuclear division component and 'mitosis' for the entire process of somatic cell division.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling is consistent.
Connotations
None; purely technical.
Frequency
Equally rare and specialised in both varieties, confined almost exclusively to advanced biology texts and research.
Vocabulary
Collocations
Grammar
Valency Patterns
The karyokinesis of [cell type] was observed.Karyokinesis is followed by cytokinesis.Abnormalities in karyokinesis lead to [result].Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Usage
Context Usage
Business
Not used.
Academic
Used in advanced biology, genetics, and medical research papers and textbooks.
Everyday
Virtually never used.
Technical
Core term in cell biology, pathology, and cytology laboratories.
Examples
By Part of Speech
verb
British English
- The nucleus will karyokinese before the cytoplasm divides.
American English
- The cell karyokineses prior to cytokinesis.
adjective
British English
- The karyokinetic spindle was clearly visible.
American English
- Researchers studied the karyokinetic process in detail.
Examples
By CEFR Level
- In biology class, we learned that cell division involves a stage called karyokinesis.
- Karyokinesis is a key part of how organisms grow and repair tissues.
- The experiment aimed to inhibit karyokinesis specifically, leaving cytokinesis unaffected, to study the consequences.
- Errors during karyokinesis can result in aneuploidy, a condition linked to several genetic disorders.
Learning
Memory Aids
Mnemonic
Think: 'CARY' carries the chromosomes, 'KINESIS' is movement → karyokinesis is the movement/chromosome-carrying part of cell division.
Conceptual Metaphor
DIVISION IS SPLITTING. The nucleus is a container (karyon) that undergoes a precise splitting process.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with 'кариокинез' (direct transliteration, same meaning).
- Avoid mistranslating as general 'деление клетки' (cell division), as it is specifically nuclear division.
Common Mistakes
- Using 'karyokinesis' to refer to the entire cell cycle.
- Pronouncing it as /kəˈraɪ.oʊ.../ instead of /ˌkærɪ.../ or /ˌkɛrɪ.../.
- Confusing the order: stating cytokinesis occurs before karyokinesis.
Practice
Quiz
Karyokinesis is most closely associated with which of the following biological processes?
FAQ
Frequently Asked Questions
Not exactly. Mitosis is the entire process of somatic cell division. Karyokinesis is specifically the division of the nucleus, which is a major phase within mitosis.
Karyokinesis is the division of the cell's nucleus. Cytokinesis is the subsequent division of the cell's cytoplasm, resulting in two separate daughter cells.
You would only use it in highly technical contexts like advanced biology, genetics, or medical research when you need to be precise about the nuclear division phase separate from other parts of the cell cycle.
Yes. This results in a single cell with multiple nuclei, called a syncytium. This is a normal process in some tissues (e.g., skeletal muscle fibers) but can be pathological in others.