astrocyte: meaning, definition, pronunciation and examples
Low/Very LowTechnical/Scientific (primarily neurology, neurobiology, medicine, biology)
Quick answer
What does “astrocyte” mean?
A star-shaped glial cell of the central nervous system.
Audio
Pronunciation
Definition
Meaning and Definition
A star-shaped glial cell of the central nervous system.
The most abundant cell type in the central nervous system, responsible for supporting neurons, maintaining the blood-brain barrier, regulating neurotransmitter levels, and contributing to brain repair and scarring.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or conceptual differences. Potential minor spelling variation in related compounds (e.g., astrocytic).
Connotations
Purely technical and neutral in both varieties.
Frequency
Equally rare outside specialized contexts in both regions. Usage is dictated entirely by field of study, not geography.
Grammar
How to Use “astrocyte” in a Sentence
The [adj] astrocyte [verb]...Astrocyte [noun] is involved in...[Process] is mediated by astrocytes.Vocabulary
Collocations
Examples
Examples of “astrocyte” in a Sentence
adjective
British English
- The astrocytic network showed increased reactivity.
- They observed an astrocytic response to the injury.
American English
- The astrocytic processes enveloped the synapse.
- Astrocytic scarring was evident in the tissue sample.
Usage
Meaning in Context
Business
Not used.
Academic
Essential in neuroscience, neurology, cell biology, and medicine. Used in research papers, textbooks, and lectures.
Everyday
Virtually never used except when discussing specific medical conditions (e.g., gliomas).
Technical
The primary domain. Used in lab reports, medical diagnoses (e.g., astrocytoma), and scientific discussions.
Vocabulary
Synonyms of “astrocyte”
Neutral
Weak
Vocabulary
Antonyms of “astrocyte”
Watch out
Common Mistakes When Using “astrocyte”
- Misspelling as 'astrosight' or 'astrosite'.
- Confusing it with a neuron.
- Using it in non-scientific contexts.
FAQ
Frequently Asked Questions
No, an astrocyte is a type of glial cell, which is distinct from neurons. Neurons transmit signals, while astrocytes support them.
Astrocytes are found throughout the central nervous system, which includes the brain and spinal cord.
The name comes from Greek: 'astron' meaning star and 'kytos' meaning cell, referring to their star-like shape.
Yes, dysfunctional astrocytes are implicated in many neurological disorders, including Alzheimer's, epilepsy, and brain tumours like astrocytomas.
A star-shaped glial cell of the central nervous system.
Astrocyte is usually technical/scientific (primarily neurology, neurobiology, medicine, biology) in register.
Astrocyte: in British English it is pronounced /ˈæstrə(ʊ)ˌsaɪt/, and in American English it is pronounced /ˈæstroʊˌsaɪt/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of an ASTROnaut looking at STars (astro-) under a microsCOPE to see a CELL (-cyte): a star-shaped cell.
Conceptual Metaphor
THE BRAIN'S SUPPORT STAFF (providing structure, nourishment, and cleanup for the 'executive' neurons).
Practice
Quiz
What is the primary function of an astrocyte?