Title (srp)

Morfologija, imunohistohemija i polni dimorfizam neurona srednje veličine sa spinama, u nucleus accumbens čoveka


Sazdanović, Maja, 1974- (


Toševski, Jovo, 1947- (ths, code: 07223)
Knežević, Milan, 1952- (oth, code: 07159)
Tončev, Gordana, 1956- (oth, code: 07221)
Maliković, Aleksandar, 1965- (oth, code: 02556)

Description (srp)

Umnoženo za odbranu. Univerzitet u Kragujevcu, Fakultet medicinskih nauka, 20121226, dr medicinskih nauka, histologija i embriologija / neuronauke. Bibliografija: listovi 116-142. Izvod ; Abstract. datum odbrane: 26.12.2012. null

Description (eng)

Nucleus accumbens is a part of the ventral striatum also known as a drug active brain region, especially related with drug addiction. The aim of the study was to investigate the Golgi morphology of the nucleus accumbens neurons. The study was performed on the frontal and sagittal sections of 15 human brains by the Golgi Kopsch method. We classified neurons in the human nucleus accumbens according to their morphology and size into four types: type I – fusiform neurons; type II – fusiform neurons with lateral dendrite, arising from a part of the cell body; type III – pyramidal-like neuron; type IV – multipolar neuron. The medium spiny neurons, which are mostly noted regarding to the drug addictive conditions of the brain, correspond to the type IV – multipolar neurons. Two regions of human nucleus accumbens could be clearly recognized on Nissl and Golgi preparations each containing different predominant neuronal types. Central part of nucleus accumbens, core region, has a low density of impregnated neurons with predominant type III, pyramidal-like neurons, with spines on secondary branches and rare type IV, multipolar neurons. Contrary to the core, peripheral region, shell of nucleus, has a high density of impregnated neurons predominantly contained of type I and type IV – multipolar neurons, which all are rich in spines on secondary and tertiary dendritic branches. Our results indicate great morphological variability of human nucleus accumbens neurons.

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