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Journal of Andrology, Vol 1, Issue 2 96-102, Copyright © 1980 by The American Society of Andrology

Effect of Hypoxia on Spontaneous Contractions of the Adult Rabbit Isolated Testicular Capsule and Duodenum

JOSEPH R. DAVIS 1 AND ARTHUR M. HOROWITZ 1

1 Department of Pharmacology and Therapeutics, Loyola University of Chicago Stritch School of Medicine, Maywood, Illinois

Spontaneous contractions of the adult rabbit isolated testicular capsule have been found to be adversely affected by short exposures to hypoxia. The data of the present study suggest that acute exposure of the testicular capsule to hypoxia, resulting in a prolonged contracture, may interfere with normal testicular capsular function and possibly sperm transport. The finding that the testicular capsule possesses smooth muscle morphology similar to that of the duodenum, but showing an opposite response in tissue tone upon exposure to hypoxia, may further suggest new factors in the stimulus-contraction coupling process of smooth muscle.

     Key words: testis capsule, hypoxia, sperm transport, testis capsule contractions

Submitted on June 20, 1979
Revised on August 29, 1979
Accepted on August 30, 1979






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Copyright © 1980 by The American Society of Andrology.