Extrapyramidal



[ek-struh-pi-ram-i-dl] /ˌɛk strə pɪˈræm ɪ dl/

adjective
1.
pertaining to or involving nerve tracts other than the tracts, especially the corpus striatum and its associated structures.
2.
located outside the tracts.

extrapyramidal ex·tra·py·ram·i·dal (ěk’strə-pĭ-rām’ĭ-dl)
adj.
Relating to or involving neural pathways situated outside or independent of the pyramidal tracts.

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  • Extrapyramidal disease

    extrapyramidal disease n. A degenerative disease, such as Parkinsonism or chorea, that affects the corpus striatum of the brain or other part of the extrapyramidal motor system and is characterized by tremor, muscular rigidity or weakness, and involuntary movements.

  • Extrapyramidal motor system

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  • Extrapyramidal-system

    noun, Anatomy. 1. the part of the central nervous system, including the descending motor fibers other than those of the pyramidal tract, that regulates muscle tone, posture, and other aspects of body movement.

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