The ejaculatory reflex in copulating rats: normal bulbospongiosus activity without apparent urethral stimulation

Gregory M. Holmes; Benjamin D. Sachs

doi:10.1016/0304-3940(91)90026-P

The ejaculatory reflex in copulating rats: normal bulbospongiosus activity without apparent urethral stimulation

Gregory M. Holmes, Benjamin D. Sachs

Research output: Contribution to journal › Article › peer-review

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Abstract

Electromyographic activity was recorded from the bulbospongiosus muscles of intact, copulating male rats to test the hypothesis that urethral stimulation contributes to the ejaculatory reflex. Neither urethral anesthetization with lidocaine nor prevention of emission with guanethidine affected the rhythmic contraction of the bulbospongiosus muscle during the ejaculatory pattern. Urethral stimulation by the ejaculate apparently does not contribute to the regulation of the striated-muscle components of ejaculation-related reflexes in copulating male rats.

Original language	English (US)
Pages (from-to)	195-197
Number of pages	3
Journal	Neuroscience letters
Volume	125
Issue number	2
DOIs	https://doi.org/10.1016/0304-3940(91)90026-P
State	Published - Apr 29 1991

All Science Journal Classification (ASJC) codes

General Neuroscience

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10.1016/0304-3940(91)90026-P

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abstract = "Electromyographic activity was recorded from the bulbospongiosus muscles of intact, copulating male rats to test the hypothesis that urethral stimulation contributes to the ejaculatory reflex. Neither urethral anesthetization with lidocaine nor prevention of emission with guanethidine affected the rhythmic contraction of the bulbospongiosus muscle during the ejaculatory pattern. Urethral stimulation by the ejaculate apparently does not contribute to the regulation of the striated-muscle components of ejaculation-related reflexes in copulating male rats.",

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AU - Sachs, Benjamin D.

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N2 - Electromyographic activity was recorded from the bulbospongiosus muscles of intact, copulating male rats to test the hypothesis that urethral stimulation contributes to the ejaculatory reflex. Neither urethral anesthetization with lidocaine nor prevention of emission with guanethidine affected the rhythmic contraction of the bulbospongiosus muscle during the ejaculatory pattern. Urethral stimulation by the ejaculate apparently does not contribute to the regulation of the striated-muscle components of ejaculation-related reflexes in copulating male rats.

AB - Electromyographic activity was recorded from the bulbospongiosus muscles of intact, copulating male rats to test the hypothesis that urethral stimulation contributes to the ejaculatory reflex. Neither urethral anesthetization with lidocaine nor prevention of emission with guanethidine affected the rhythmic contraction of the bulbospongiosus muscle during the ejaculatory pattern. Urethral stimulation by the ejaculate apparently does not contribute to the regulation of the striated-muscle components of ejaculation-related reflexes in copulating male rats.

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The ejaculatory reflex in copulating rats: normal bulbospongiosus activity without apparent urethral stimulation

Abstract

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