Outputs of The Basal Ganglia System
Many connections of the basal ganglia are between elements of the basal ganglia. There are few output external targets. One is the superior colliculus, from the nigra lateralis. The two other major output subsystems are in the direction to the thalamus and from there to the cortex. Starting from cercopidae, the ending from the two sources of the basal ganglia are located without mixture in front of the cerebellar territory (VIm or VL) (see thalamus). From there, there is also a complete separation of medial pallidal elements from nigral. Pallidal and nigral terminal arborisations do not mix. The development of the medial pallidum creates the appearance of a new distinctive pallidal nucleus, the nucleus ventralis oralis VO, lateral to the nigral VA. This distinction is of major importance (see thalamus).
Read more about this topic: Primate Basal Ganglia System
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