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Brain Res. 1992 Nov 6;595(1):159-63.

Distribution of the piriform cortical terminals to cells in the central segment of the mediodorsal thalamic nucleus of the rat.

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  • 1Department of Anatomy, Toho University School of Medicine, Tokyo, Japan.

Abstract

A Golgi electron microscopic study was undertaken to investigate the distribution of terminals from the piriform cortex that synapse on identified dendrites of neurons in the central segment of the mediodorsal thalamic nucleus of the rat. The piriform cortical terminals were identified as degenerating terminals following lesions in the cortex. They consisted of two types, i.e., large (LR type) and small (SR type) presynaptic terminals, both of which had round synaptic vesicles and formed asymmetric synaptic contacts. SR boutons terminated preferentially onto distal dendrites and never synapsed on primary dendrites. LR terminals synapsed preferentially on proximal dendrites, but were also found on more distal dendritic segments.

PMID:
1281735
[PubMed - indexed for MEDLINE]
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