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DictionarySeesubthalamic nucleusEncyclopediaSeebodyLuys body
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 LuysLuys body (lū-ēz′) [Jules-Bernard Luys, Fr. physician, 1828–1898] A small mass of gray matter lying on the dorsal surface of the peduncle dorsolateral to the substantia nigra of the brain. Luys' nucleus is located in the posterior portion of the thalamus. Luys, 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 nucleusFinancialSeeBody |