cell body: meaning, definition, pronunciation and examples
Low (technical)Technical/Scientific (primarily biology, neuroscience, medicine)
Quick answer
What does “cell body” mean?
The central part of a neuron (nerve cell) that contains the nucleus and most of the cytoplasm, and from which the dendrites and axon extend.
Audio
Pronunciation
Definition
Meaning and Definition
The central part of a neuron (nerve cell) that contains the nucleus and most of the cytoplasm, and from which the dendrites and axon extend.
The main metabolic and genetic control centre of a neuron. While predominantly biological, the term can be used metaphorically in some computational models to refer to the central processing unit in an artificial neural node.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. Both varieties use the same term identically in technical contexts.
Connotations
Purely technical/neutral in both varieties.
Frequency
Frequency is identical and tied exclusively to neuroscience/biology contexts in both varieties.
Grammar
How to Use “cell body” in a Sentence
The [adj] cell body [verb phrase] e.g., The neuronal cell body contains the nucleus.Dendrites extend from the cell body.Vocabulary
Collocations
Examples
Examples of “cell body” in a Sentence
verb
British English
- This term is not used as a verb.
American English
- This term is not used as a verb.
adverb
British English
- This term is not used as an adverb.
American English
- This term is not used as an adverb.
adjective
British English
- The cell-body morphology was analysed under the microscope. (attributive noun use)
American English
- Researchers observed cell-body degeneration in the model. (attributive noun use)
Usage
Meaning in Context
Business
Not used.
Academic
Used exclusively in neuroscience, biology, psychology, and medical textbooks/research papers. Example: 'The study focused on protein synthesis in the neuronal cell body.'
Everyday
Not used.
Technical
Primary context. Used in lab reports, medical diagnoses (e.g., discussing motor neuron disease), and engineering (e.g., neuromorphic computing).
Vocabulary
Synonyms of “cell body”
Vocabulary
Antonyms of “cell body”
Watch out
Common Mistakes When Using “cell body”
- Using 'cell body' to refer to the entire cell. It is only a part of the neuron.
- Confusing it with 'cell membrane' or 'cytoplasm'. The term refers to the entire central region including these components.
- Using it in non-biological contexts where it is not understood.
FAQ
Frequently Asked Questions
Yes, in neuroscience, 'soma' and 'cell body' are synonyms. 'Perikaryon' is another, less common, technical term for the same structure.
No. Despite its generic-sounding name, it is a standard term used almost exclusively for neurons (nerve cells). For other cells, one would simply say 'the body of the cell' or 'cytoplasm' depending on context.
Yes. The neuron is the entire nerve cell. The cell body (soma) is just one part of the neuron, along with the axon, dendrites, and synaptic terminals.
It is a fundamental term in neuroscience, neurobiology, physiology, psychology (biological basis), neurology, and any field involving the study of the nervous system, including some areas of biomedical engineering and artificial intelligence.
The central part of a neuron (nerve cell) that contains the nucleus and most of the cytoplasm, and from which the dendrites and axon extend.
Cell body is usually technical/scientific (primarily biology, neuroscience, medicine) in register.
Cell body: in British English it is pronounced /ˈsel ˌbɒdi/, and in American English it is pronounced /ˈsɛl ˌbɑdi/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “No common idioms exist for this technical term.”
Learning
Memory Aids
Mnemonic
Think of a neuron as a tree: the CELL BODY is the trunk and roots (the core), the DENDRITES are the branches receiving signals, and the AXON is a long root sending signals away.
Conceptual Metaphor
CENTRE OF OPERATIONS/CONTROL ROOM. The cell body is metaphorically the 'headquarters' or 'CPU' of the nerve cell, where decisions are made and resources are managed.
Practice
Quiz
What is the primary function of the cell body (soma) of a neuron?