spasm

• Substantif désignant une contraction musculaire involontaire et soudaine, ou une constriction similaire d'un organe creux tel qu'un vaisseau sanguin.

A noun referring to a sudden, involuntary muscular contraction, or a similar constriction of a hollow organ such as a blood vessel.

1. Muscular contractionB2formalmedical

   A sudden, involuntary, and often painful contraction of a muscle or group of muscles.

   Spasme musculaire

   • He felt a sudden spasm in his back while lifting the box.
   • The athlete experienced a muscle spasm during the race.
   • A spasm in her leg woke her up in the middle of the night.

   Synonymescontractionconvulsioncrampjerkseizuretictremortwitch

2. Constriction of an organC1formalmedical

   A sudden, abnormal constriction or contraction of a hollow organ, such as a blood vessel or the bronchial tubes.

   Spasme (constriction d'un organe)

   • The patient suffered a bronchial spasm, making it difficult to breathe.
   • A vascular spasm can temporarily reduce blood flow to an area.
   • The doctor diagnosed a spasm of the esophagus causing pain when swallowing.

   Synonymesconstrictioncontractioncramptightening