reticular nuclei of mesencephalon

(redirected from Pedunculopontine tegmental nucleus)

reticular nuclei of mesencephalon

[TA]
diffusely arranged cell groups located in the posterior and more medial area of the tegmentum of the mesencephalon. These nuclei are: cuneiform nucleus [TA] (nucleus cuneiformis [TA]), subcuneiform nucleus [TA] (nucleus subcuneiformis [TA]), parapeduncular nucleus [TA] (nucleus parapeduncularis [TA]), and the pedunculopontine tegmental nucleus [TA] (nucleus tegmentalis pedunculopontinus [TA]). This latter nucleus can be divided into a compact part [TA] or compact subnucleus [TAalt] (pars compacta [TA]) and a dissipated part [TA] or dissipated subnucleus [TAalt] (pars dissipata [TA]).
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Evidence for a role of basal ganglia in the regulation of rapid eye movement sleep by electrical and chemical stimulation for the pedunculopontine tegmental nucleus and the substantia nigra pars reticulata in decerebrate cats.
Anatomical interconnections of the pedunculopontine tegmental nucleus and nucleus prepositus hypoglossi in the cat.
Normally, these neurons receive signals from neurons in a brain region called the pedunculopontine tegmental nucleus (PPT) (Kitai et al.