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A retrograde and anterograde wheat germ agglutinated horseradish peroxidase WGA-HRP study in the cat indicated that some neurons in the dorsal column nuclei and the interpolar and caudal spinal trigeminal nuclei send fibers to the dorsal and ventral cochlear nuclei; to the pyramidal cell layer of the dorsal cochlear nucleus and to the cochlear granule cell(More)
The organization of the projection from the lateral geniculate body to the striate cortex in the squirrel monkey has been re-examined using the anterograde and retrograde transport of horseradish peroxidase (HRP) and wheat germ agglutinin conjugated to HRP. The results confirm earlier findings that the projections of the magnocellular and parvocellular(More)
The projections of the lateral geniculate nucleus to striate cortex were traced by anterograde and retrograde transport of WGA-HRP in two primates, Galago and Aotus. The goal was to determine the laminar organization of the terminals of individual layers of the lateral geniculate nucleus. The results show that in both species the magnocellular layers(More)
The morphology of electrophysiologically identified neurons was examined in the primary auditory cortex (AI) of the cat. After stimulation of the medial geniculate nucleus (MG), second auditory cortex, posterior ectosylvian gyrus, contralateral AI, or corpus callosum, intracellular potentials were recorded from AI neurons, which were then injected(More)
Distribution of putative glutamatergic neurons in the lower brainstem and cerebellum of the rat was examined immunocytochemically by using a monoclonal antibody against phosphate-activated glutaminase, which has been proposed to be a major synthetic enzyme of transmitter glutamate and so may serve as a marker for glutamatergic neurons in the central nervous(More)
Neuropilin 1 is the specific receptor for Sema3A and plays a role in nerve fiber guidance. We report that neuropilin 1 and Sema3A mutant mouse embryos, generated by targeted gene disruption, showed displacement of sympathetic neurons and their precursors and abnormal morphogenesis in the sympathetic trunk. We also show that Sema3A suppressed the cell(More)
Projections from the posterior thalamic regions to the striatum were studied in the cat by the anterograde tracing method after injecting wheat germ agglutinin-horseradish peroxidase conjugate (WGA-HRP) into the caudalmost regions of the lateroposterior thalamic nucleus (caudal LP), suprageniculate nucleus (Sg) and magnocellular division of the medial(More)
In the mesencephalic trigeminal nucleus (MTN) of the adult cat, multipolar neurons with 1-9 smooth dendritic processes were labeled with horseradish peroxidase which was applied to central cut ends of the masseter, deep temporal, medial pterygoid, superior alveolar and inferior alveolar nerves. These constituted 40% of the total population of MTN neurons;(More)