HealthSeptember 2, 2026

fasciculations

fuh-SIK-yuh-LAY-shunz

Definition

Small, involuntary muscle twitches or contractions caused by spontaneous firing of nerve fibers, often visible under the skin.

Etymology

Derived from the Latin 'fasciculus,' meaning a small bundle or packet. The term was adopted into medical English to describe the twitching of a small bundle of muscle fibers.

In the news

The article uses the term to describe a specific physical symptom observed during the neurological examination of the author's aunt, which helped confirm her diagnosis of ALS.

UT Health Expert Uncovers ALS, Dementia Treatment Gaps

Read the full article ↗

Mirage News

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