Medical Definition of Nucleus subthalamicus

1. A circumscript nucleus, shaped like a biconvex lens, located in the ventral part of the subthalamus on the dorsal surface of the peduncular part of the internal capsule immediately rostral to the substantia nigra. The nucleus receives a massive topographic projection from the lateral segment of the globus pallidus, and a somatopically organised projection from the ipsilateral motor cortex; a smaller bundle of afferents from the centromedian nucleus of the thalamus terminate in the rostral part of the nucleus The subthalamic nucleus projects to both pallidal segments, to the pars reticulata of the substantia nigra, and in a small way to the ipsilateral pedunculopontine nucleus. Synonym: nucleus subthalamicus, corpus luysi, Luys' body, nucleus of Luys. (05 Mar 2000)



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Lexicographical Neighbors of Nucleus Subthalamicus

nucleus olivaris accessorius medialis
nucleus paracentralis thalami
nucleus paraventricularis
nucleus posterior hypothalami
nucleus preopticus lateralis
nucleus preopticus medialis
nucleus pulposus
nucleus pyramidalis
nucleus reticularis thalami
nucleus ruber
nucleus salivatorius inferior
nucleus salivatorius superior
nucleus sensorius principalis nervi trigemini
nucleus sensorius superior nervi trigemini
nucleus spinalis nervi accessorii
nucleus subthalamicus (current term)
nucleus suprachiasmatica
nucleus supraopticus hypothalami
nucleus tecti
nucleus thoracicus
nucleus tractus mesencephali nervi trigemini
nucleus tractus solitarii
nucleus tractus spinalis nervi trigemini
nucleus ventralis anterior thalami
nucleus ventralis corporis trapezoidei
nucleus ventralis intermedius thalami
nucleus ventralis lateralis
nucleus ventralis posterior intermedius thalami
nucleus ventralis posterior thalami
nucleus ventralis posterolateralis thalami

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