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Science 21 August 1981:
Vol. 213. no. 4510, pp. 915 - 918
DOI: 10.1126/science.7256286
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Articles

Science, Vol 213, Issue 4510, 915-918
Copyright © 1981 by American Association for the Advancement of Science

articles

Single neostriatal efferent axons in the globus pallidus: a light and electron microscopic study

HT Chang, CJ Wilson, and ST Kitai

Intracellularly labeled rat neostriatal projection neurons were analyzed with both light and electron microscopy. The axons of medium spiny neurons were traced into the globus pallidus and were found to make synaptic contacts with pallidal dendrites. Despite the common somato-dendritic morphology of the neostriatal projection neurons, two different distribution patterns of efferent axons were observed, indicating the presence of functionally different medium spiny neurons in the neostriatum.


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