Publication: Vasopressinergic neurons in periependymal and periventricular areas of the rostral third ventricle
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Date
1990
Authors
Roy Choudhury, S. ; Ray, P.K.
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Publisher
Murcia : F. Hernández
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DOI
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info:eu-repo/semantics/article
Description
Abstract
On the lateral wall of the rostral third
ventricle, an area separates the ependyma from the
neurosecretory PVN neurons. Since VP from the latter
discharges into the vasculature, the above area may be
regarded as constituting an interface between the
ventncular and vascular compartments of the CNS. As
VP release into the two compartments is integrated, the
interface region has been explored for possible existence
of a neural infrastructure that would allow such an
integration.
Immunohistochemical staining for VP following
colchicine treatment reveals the presence of an elaborate
vasopressinergic network in the interface region that is
divisible into a media1 periependymal and a lateral
periventricular area. A closer examination indicates that
the ependymal, periependymal, periventricular and
PVN areas (in that order medio-laterally) are al1
interconnected through this network. The media1 area
appears to be receptive in nature, while the connectivity
of the lateral area points to an effector function. All in
all, such a neural network would provide a sound
morphological basis for integration of neuroendocrine
mechanisms modulating VP release into the ventricular
and vascular compartments of the CNS.
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