extrapyramidal
/ˌɛkstrəpɪˈræmɪdəl/
adjective
- Relating to the part of the brain's motor system that controls involuntary movements and muscle tone, outside the pyramidal tracts.
- Some antipsychotic medications can cause extrapyramidal side effects like muscle stiffness.
- The patient developed extrapyramidal symptoms after taking the new drug.
- Extrapyramidal disorders include Parkinson's disease and dystonia.
Antonyms