spasm

• Substantivo que designa uma contração muscular súbita e involuntária, ou um estreitamento semelhante de um órgão oco, como um vaso sanguíneo.

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.

   Espasmo muscular

   • 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.

   Sinônimoscontractionconvulsioncrampjerkseizuretictremortwitch

2. Constriction of an organC1formalmedical

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

   Espasmo

   • 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.

   Sinônimosconstrictioncontractioncramptightening