The distribution of neuropeptides in the dorsomedial telencephalon of the pigeon (Columba livia): A basis for regional subdivisions

Erichsen, Jonathan Thor ORCID: https://orcid.org/0000-0003-1545-9853, Bingman, V. P. and Krebs, J. R. 1991. The distribution of neuropeptides in the dorsomedial telencephalon of the pigeon (Columba livia): A basis for regional subdivisions. Journal of Comparative Neurology 314 (3) , pp. 478-492. 10.1002/cne.903140306

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Abstract

The distribution of six neuropeptides [substance P (SP), leucine (leu5-) enkephalin (LANK), vasoactive intestinal polypeptide (VIP), cholecystokinin (CCK), neuropeptide Y (NPY), and somatostatin (SS)] in the dorsormedial telencephalon (hippocampal region) of the pigeon was studied by immunohistochemistry. All six peptides were found in fibers passing through the septo-hippocampal junction and along the medial wall of the hippocampal region. NPY-, SS-, and VIP-like staining of fibers was seen in the hippocampal commissure. NPY and SS had similar distributions within the hippocampal region, both being most conspicuous in cell bodies, terminals, and fibers of the medial hippocampal region. VIP-positive cells were found in an area dorsal to the SS/NPY cell region. CCK-like immunoreactivity was found in terminal baskets surrounding large cells of a v-shaped structure in the ventromedial hippocampal region. SP- and LENK-like immunoreactivity was found in neuropils in a lateral-dorsal region, the two substances showing similar distributions. This region is thought to lie lateral to the limit of the hippocampal region. Parallels with the distribution of immunoreactivity in the mammalian hippocampus are used to suggest possible equivalent subdivisions of the avian and mammalian hippocampal regions.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Optometry and Vision Sciences
Subjects:	Q Science > QL Zoology R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Uncontrolled Keywords:	avian hippocampal region; immunohistochemistry; substance P;cholecystokinin; leucine (leu5-) enkephalin; vasoactive intestinal polypeptide; neuropeptide Y; somatostatin
Publisher:	Wiley-Blackwell
ISSN:	0021-9967
Last Modified:	18 Oct 2022 14:32
URI:	https://orca.cardiff.ac.uk/id/eprint/17909

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