| 释义 |
subthalamic nucleus
Thesaurus| Noun | 1. | subthalamic nucleus - an oval mass of grey matter located in the caudal part of the subthalamus; associated with the striate bodycell nucleus, karyon, nucleus - a part of the cell containing DNA and RNA and responsible for growth and reproductionsubthalamus - the ventral part of the thalamus |
EncyclopediaSeenucleussubthalamic nucleus
sub·tha·lam·ic nu·cle·us [TA] 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 organized projection from the ipsilateral motor cortex; a smaller bundle of afferents from the centromedian nucleus of the thalamus terminates 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(s): nucleus subthalamicus [TA], corpus luysi, Luys body, nucleus of Luyssubthalamic nucleusA basal ganglia nucleus that is found under the thalamus in the base of the diencephalon; it lies between the thalamus and the cerebral peduncle, just rostral to the substantia nigra. The subthalamic nucleus is a satellite of the globus pallidus with which it has reciprocal connections. Lesions of the subthalamic nucleus on one side of the brain produce hemiballismus. See also: nucleusLuys, Jules B., French physician, 1828-1897. centre médian de Luys - Synonym(s): centromedian nucleuscorpus luysi - Synonym(s): subthalamic nucleusLuys body - Synonym(s): subthalamic nucleusLuys body syndromenucleus of Luys - Synonym(s): subthalamic nucleussubthalamic nucleus
Related to subthalamic nucleus: striatum, globus pallidus, caudate nucleusWords related to subthalamic nucleusnoun an oval mass of grey matter located in the caudal part of the subthalamusRelated Words- cell nucleus
- karyon
- nucleus
- subthalamus
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