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The localization of acetylcholinesterase (AChE) activity in the nuclei of the amygdaloid body of man was studied by Gerebtzoff's modification of Koelle's acetylthiocholine method on 10 human brains. To compare the histochemical results with the cytoarchitectionics, additionally sections from 10 human brains were stained with cresyl violet. The intensity of(More)
Horseradish peroxidase (HRP) was injected to various parts of the amygdala in 50 rats. Retrograde axonal transport revealed that tegmental areas containing biogenic amines: dorsal and median raphe nuclei, locus coeruleus and ventral tegmental area, project diffusely to various amygdaloid areas. Moreover, HRP labeled cells were found in the parabrachial(More)
The localization of neurons from which the projections to other amygdaloid nuclei arise was studied using the retrograde transport of horseradish peroxidase. It was found that the basal nuclei (dorsal and ventral) appear to be the main source of intraamygdaloid connections; they project to the central, medial and lateral nucleus of the amygdala. The medial(More)
The aim of this study was to describe the localization of cholinergic and GABAergic neurons and terminals in the amygdaloid nuclei of the rat. Double immunolabeling was performed to study cholinergic-GABAergic synaptic interconnections. Cholinergic elements were labeled by using a monoclonal antibody to choline acetyltransferase (ChAT), the acetylcholine(More)
The cellular structure and distribution of histochemically demonstrated acetylcholinesterase (AChE) activity were studied in the amygdaloid body of 9 dogs. Cytoarchitectonic observations were made in series of paraffin and celloidin sections stained with cresyl violet. For the demonstration of the acetylcholinesterase activity, modifications of Koelle(More)
On the basis of retrograde horseradish peroxidase transport from nuclei ot the amygdaloid body of the rat to the thalamus, it was found that several groups of thalamic nuclei send fibers to the amygdala. These are: (i) nuclei of posterior region of thalamus and neighboring area of the tegmentum - peripeduncular nucleus, suprageniculate-limitans nucleus,(More)