Respiratory interneurons in the C5 segment of the spinal cord of the cat

Bellingham, MC and Lipski, J (1990) Respiratory interneurons in the C5 segment of the spinal cord of the cat. Brain Research, 533 1: 141-146. doi:10.1016/0006-8993(90)91807-S


Author Bellingham, MC
Lipski, J
Title Respiratory interneurons in the C5 segment of the spinal cord of the cat
Journal name Brain Research   Check publisher's open access policy
ISSN 0006-8993
Publication date 1990-11-12
Sub-type Article (original research)
DOI 10.1016/0006-8993(90)91807-S
Volume 533
Issue 1
Start page 141
End page 146
Total pages 6
Language eng
Subject 1309 Developmental Biology
1312 Molecular Biology
2728 Clinical Neurology
2800 Neuroscience
Abstract Extracellular recordings were made in the C5 segment of the spinal cord of anaesthetised cats from 129 units which showed respiratory phased discharge. The majority of recordings (88%) were thought to arise from the somata of respiratory spinal interneurons. Inspiratory units and expiratory units comprised 42% and 52% of all recorded units. A small number of postinspiratory units were also found (n = 5). Most units did not respond to electrical stimulation of the ipsilateral superior laryngeal (SLN) and phrenic nerves (PN), but a few expiratory (n = 2) and postinspiratory units (n = 1) were excited by SLN stimulation, while 6 inspiratory units had their discharge suppresed by the same stimulus. PN stimulation evoked a long latency (2-7 ms) burst of firing in 2 inspiratory and 1 expiratory interneurons. It is concluded that these respiratory interneurons may provide a segmental input to phrenic motoneurons, in addition to synaptic drives mediated by bulbospinal pathways.
Keyword Cat
Interneuron
Phrenic motoneuron
Respiration
Spinal cord
Superior laryngeal nerve
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collections: ResearcherID Downloads
Scopus Import
 
Versions
Version Filter Type
Citation counts: TR Web of Science Citation Count  Cited 44 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 40 times in Scopus Article | Citations
Google Scholar Search Google Scholar
Created: Wed, 03 Feb 2016, 10:31:29 EST by System User