A Morphological Examination of Neurons in the Pars Lateralis and Pars Reticulata of the Substantia Nigra of the Opossum
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Authors
Dunst, Annette T.
Issue Date
1984
Type
Thesis
Language
en_US
Keywords
Alternative Title
Abstract
The Golgi and Nissl techniques were used to examine
the somata, dendritic morphology and extent, and initial
axonal orientation of neurons in the pars reticulata and
pars lateralis of the opossum, (Marsupialis virginianis).
Large, medium and small neurons were described based on soma
size and morphology and extent of dendrites. While the
neurons of the pars reticulata cannot be distinguished
from those of the pars lateralis based on morphology
alone, the location and frequency of neuron types from
rostral to caudal extent of the nigra varies characteristically
for both areas. Based on, as yet unpublished
data, small neurons are assumed to be interneurons of
some kind, medium neurons are thought, to project their
axons to the striatum (from the pars compacta), the
tectum or the thalamus, and large neurons are thought
to send their axons to the tectum.
Description
v, 41 p.
Citation
Publisher
Kalamazoo College
License
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