Document Detail

Reduction in cervical probing analgesia by repeated prior exposure to cold-water swims.
MedLine Citation:
PMID:  6091163     Owner:  NLM     Status:  MEDLINE    
Previous work has established that stimulation of the vaginal cervix (cervical probing: CP) and cold-water swims (CWS) each produce analgesia in rats that is affected similarly by catecholaminergic mechanisms, but differentially by serotoninergic and opioid mechanisms. The present study examined whether CP analgesia, like CWS analgesia, would be reduced by prior repeated CWS exposure. Tail-flick latencies were significantly increased by CP and CWS in naive animals. In animals chronically preexposed to 14 daily swims, CP analgesia was reduced and CWS analgesia was reduced at 60, but not 30 min after the swim. After 1 month of recovery, CP analgesia showed a persistent reduction, whereas CWS analgesia was fully recovered. These data suggest that the mechanisms underlying CP and CWS analgesia are interrelated.
R J Bodnar; B R Komisaruk
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Physiology & behavior     Volume:  32     ISSN:  0031-9384     ISO Abbreviation:  Physiol. Behav.     Publication Date:  1984 Apr 
Date Detail:
Created Date:  1984-11-09     Completed Date:  1984-11-09     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0151504     Medline TA:  Physiol Behav     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  653-5     Citation Subset:  IM    
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MeSH Terms
Afferent Pathways / physiology
Arousal / physiology
Brain / physiology*
Cervix Uteri / innervation*
Cold Temperature
Nociceptors / physiology*
Rats, Inbred Strains
Reaction Time / physiology
Spinal Cord / physiology*
Stress, Physiological / complications*
Synaptic Transmission*
Grant Support

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