English Reference

Word

intracellular

Phoneticsin·tra·cel·lu·lar

/ˌɪntɹɑˈsɛɫjəɫɝ/

Definition

adj. located or happening inside a cell. It describes things that stay within the tiny building blocks of a living body.

adj. located or occurring within a cell or cells. Often contrasted with extracellular and typically used in biological or medical contexts.

Examples

“The virus needs to reach the intracellular space to replicate.”

“Scientists are studying how intracellular signals tell a cell when it is time to divide.”

“The researchers observed that the drug effectively increased intracellular calcium levels, which triggered a series of metabolic changes within the treated tissue samples.”

Examples

simple

“The virus needs to reach the intracellular space to replicate.”

contextual

“Scientists are studying how intracellular signals tell a cell when it is time to divide.”

complex

“The researchers observed that the drug effectively increased intracellular calcium levels, which triggered a series of metabolic changes within the treated tissue samples.”

Usage

Typically used in technical or scientific contexts; often precedes the noun it modifies.

Real-World Examples

“Among the compounds tested, pterostilbene produced the strongest reduction in intracellular lipid accumulation.”
ScienceDaily · 5 Sept 2026
“Autophagy is an intracellular degradation mechanism in eukaryotes.”
Phys.org · 4 Sept 2026

Etymology

From intra- + cellular.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

Domain

Biology

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated

Scan code

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English Reference