basal ganglia
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Function
- the basal ganglia controls the extrapyramidal motor system.
Structure
- a collection of gray matter embedded centrally in the white matter of each cerebral hemisphere
- the basal ganglia consists of:
* image[2]
Often the term basal ganglia is used in reference to motor nuclei that are closely related functionally, including:
* striatum consists of the caudate & putamen
Afferents
Efferents
- globus pallidus internal segment (GABA)
- sustantia nigra pars reticulata (GABA)
- globus pallidus internal segment (GABA)
* schematic: Connections of the Basal Nuclei[3]
Pathology
- lesions of the basal ganglia result in extrapyramidal signs
More general terms
Component of
Components
References
- ↑ The Human Nervous System, an atomical viewpoint, Barr ML, 2nd ed, Harper & Row, Hargerstown, MD, 1974
- ↑ 2.0 2.1 lumen Anatomy & Physiology. Module 12. The Nervous System The Central Nervous System Frontal section of the Cerebral Cortex and Basal Nuclei https://courses.lumenlearning.com/austincc-ap1/chapter/the-central-nervous-system/#m46533-fig-ch13_02_04
- ↑ 3.0 3.1 lumen Anatomy & Physiology. Module 12. The Nervous System The Central Nervous System Connections of the Basal Nuclei https://courses.lumenlearning.com/austincc-ap1/chapter/the-central-nervous-system/#m46533-fig-ch13_02_05