1. Involuntary, visible twitching or contraction of muscle fibers beneath the skin, often appearing as rippling movements.
Usage: Medical/anatomical term; Plural form of fasciculation
2. In botany and anatomy, the arrangement of structures (such as nerves, blood vessels, or leaves) in bundles or clusters.
Usage: Technical/specialized usage; Plural form of fasciculation

Examples

• The patient reported fasciculations in his legs after the injection.
• Fasciculations under the skin can sometimes indicate a neurological condition.
• The doctor observed visible fasciculations in the patient's arm muscles.
• Benign fasciculations occasionally occur in healthy individuals during exercise.
• The nerve damage caused persistent fasciculations throughout the affected limb.