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- Title
Influence of Temperature and Stimulus Interval Variations on the Propagation of Contractions in the Pig Ureter.
- Authors
van Mastrigt, R.; van de Wetering, J.; Glerum, J.J.
- Abstract
The influences of ureter temperature and time interval between stimulations on the velocity of propagation of contractions in the pig ureter were studied in vitro. The propagation velocity was calculated from electromyogram signals measured at regular distances along the ureter. It was found that a temperature decrease of 3°C causes a velocity decrease of nearly 5 mm/s. The influence of the interstimulus interval is much smaller: a reduction from 300 to 10 s causes a 10% drop in propagation velocity. Both phenomena can be understood from changes in the strength-duration curve describing the excitability of the tissue and clarify the discrepancies between propagation velocity measurements in vitro and in vivo. Copyright © 1986 S. Karger AG, Basel
- Publication
Urologia Internationalis, 1986, Vol 41, Issue 4, p266
- ISSN
0042-1138
- Publication type
Article
- DOI
10.1159/000281215