Cited by 97Olfactory and Sensory Function StudiesHypothalamic control of reproductive hormonesNeurogenesis and neuroplasticity mechanisms

Luteinizing hormone‐releasing hormone (LHRH) in rat olfactory systems

Witkin, Joan W., Silverman, Ann‐Judith·1983·Journal of Comparative Neurology

Abstract

The luteinizing hormone-releasing hormone (LHRH) systems of rat olfactory bulbs and nasal areas were studied in neonatal and adult rats. Animals were perfused with Zamboni's fixative and olfactory bulbs with nasal olfactory areas intact were removed, postfixed, and decalcified. LHRH was immunohistochemically demonstrated in unembedded frozen or vibratome sections. Luteinizing hormone-releasing hormone immunoreactive elements were found along the course of the nervus terminalis (NT) and within both the main and accessory olfactory bulbs (MOB and AOB, respectively). Both LHRH neurons and fibers were present in the AOB, but only fibers were detected in the MOB. The fibers of the AOB were not confined to any particular lamina while fibers in the MOB were found mainly in the external plexiform layer. LHRH fibers were found in the mucosa of the olfactory epithelium of the vomeronasal organ in both neonatal and adult rats. The NT probably serves as a source of LHRH fibers for both the AOB and the MOB and for fibers observed in the olfactory epithelium of the vomeronasal organ. Other likely sources of LHRH fibers in the olfactory bulb are discussed.

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Crossref · 10.1002/cne.902180407

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  • There is no evidence that the nervus terminalis is chemosensory or that the human terminalis nerve carries the axons of VSNs, but it may innervate the vomeronasal epithelium.

    “There is no evidence that this nerve is chemosensory or that the human terminalis nerve carries the axons of VSNs (although the two do run together in most mammals), but it may innervate the vomeronasal epithelium (Witkin and Silverman, 1983;Wirsig and Leonard, 1986).”

    From Human Vomeronasal Organ Function: A Critical Review of Best and Worst Cases (2001) · cites this paper as Witkin and Silverman, 1983

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Authors
Witkin, J. W., & Silverman, A.
Affiliations
Columbia University (US)
Venue
Journal of Comparative Neurology
Publisher
Wiley
Published
1983-08-20
Volume
218
Issue
4
Pages
426-432
ISSN
  • 0021-9967 (ISSN-L)
  • 1096-9861
OpenAlex
W2067699638
Cited by
96
References
28
Citations by year
2021: 1 · 2020: 1 · 2019: 1
FWCI
6.56
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Comparative Neurology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Whitehall Foundation
  • U.S. Public Health Service
Topics
  • Life Sciences › Neuroscience › Sensory Systems › Olfactory and Sensory Function Studies
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
gonadotropin-releasing hormone, olfactory bulb, accessory olfactory bulb, main olfactory bulb, terminal nerve, vomeronasal organ, olfactory epithelium, outer plexiform layer, neonatal rats, rats
MeSH terms
Animals, Animals, Newborn, Central Nervous System, Female, Gonadotropin-Releasing Hormone, Male, Olfactory Bulb, Olfactory Mucosa, Olfactory Pathways, Sense Organs, Smell, Rats

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