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Video of relevant anatomy Coronal slices of human brain showing the basal ganglia. White matter is shown in dark gray, gray matter is shown in light gray. Anterior: striatum, globus pallidus (GPe and GPi) Posterior: subthalamic nucleus (STN), substantia nigra (SN) The basal ganglia form a fundamental component of the cerebrum.
The subthalamic nucleus (STN) is a small lens-shaped nucleus in the brain where it is, from a functional point of view, part of the basal ganglia system. In terms of anatomy, it is the major part of the subthalamus. As suggested by its name, the subthalamic nucleus is located ventral to the thalamus.
English: Connection diagram of the basal ganglia. Glutamatergic pathways are red, dopaminergic pathways are magenta and GABAergic pathways are blue. GPe = Globus Pallidus external; GPi = Globus Pallidus internal; STN = SubThalamic Nucleus; SNpr = Pars Reticulata portion of Substantia Nigra; SNpc = Pars Compacta portion of Substantia Nigra
English: Circuits of the basal ganglia. Picture shows 2 coronal slices that have been superimposed to include the involved basal ganglia structures. + and - signs at the point of the arrows indicate respectively whether the pathway is excitatory or inhibitory in effect.
The following raster image was used for modelling: Basal-ganglia-coronal-sections-large.png (By Andrew Gillies/User:Anaru; Creative Commons Attribution ShareAlike + GFDL license) Author
The striatum (pl.: striata) or corpus striatum [5] is a cluster of interconnected nuclei that make up the largest structure of the subcortical basal ganglia. [6] The striatum is a critical component of the motor and reward systems; receives glutamatergic and dopaminergic inputs from different sources; and serves as the primary input to the rest of the basal ganglia.
Globus pallidus line was pointing to the wrong object and removed inaccurate label (the basal ganglia is all of the pink and purple except the tip) 15:06, 2 September 2019: 490 × 330 (39 KB) Slashme: Correct spelling: "globus pallides" → "globus pallidus" 14:22, 7 May 2009: 490 × 330 (39 KB) Madhero88: Another correction: 13:45, 7 May 2009: ...
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