Definition, Meaning & Synonyms
extrapyramidal
Adjective
/ˌɛkstrəpɪrəˈmædəl/

Definition
Relating to a system of neural pathways located outside the pyramidal tract that coordinates involuntary movements.

Examples
- Parkinson’s disease is characterized by extrapyramidal symptoms such as tremors and rigidity.
- Medications can sometimes lead to extrapyramidal side effects, impacting a patient’s motor control.

Meaning
The extrapyramidal system is involved in the regulation of automatic and unconscious movements and helps control muscle tone and posture.

Synonyms
- non-pyramidal
- subcortical
- involuntary