Abstract：
:Gross and subgross anatomical observations of the penis pointed to a mechanical arrangement whereby contraction of the bulbocavernosus (BC) muscles would enhance erections of the glans penis and contraction of the ischiocavernosus (IC) muscles would enhance or produce penis flips. These functions for the muscles were confirmed by electromyographic recordings taken during tests of penile erections and flips in spinal male rats. Surgical removal of the BC muscles did not reduce the total number of erections during penile reflex tests, but did eliminate the flared-cut type of erections. Surgical removal of the IC muscles reduced the occurrence of penile flips and virtually eliminated the long or extended flips. It is hypothesized that contractions of the BC and IC muscles, in producing penile cups and long flips, play a role in dislodgement of previously deposited seminal plugs and deposition of new plugs during mating. Contraction of the BC muscles, in forcefully emptying contents of the urethral diverticulum, would appear to play a role in the ejaculatory process by which the sperm-dense fraction of semen is first delivered to the vagina followed by delivery of a rapidly coagulating seminal plug.
journal_name
Physiol Behavjournal_title
Physiology & behaviorauthors
Hart BL,Melese-D'Hospital PYdoi
10.1016/0031-9384(83)90277-9subject
Has Abstractpub_date
1983-12-01 00:00:00pages
807-13issue
6eissn
0031-9384issn
1873-507Xpii
0031-9384(83)90277-9journal_volume
31pub_type
杂志文章abstract：:The purpose of the present study was to investigate the effects of a high-fat diet (HFD) in previously trained rats that have been detrained for different periods. Two groups of female rats were, first, either treadmill trained for 8 weeks or remained sedentary (Sed). Trained animals, thereafter, remained inactive for...
journal_title：Physiology & behavior
pub_type： 杂志文章
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journal_title：Physiology & behavior
pub_type： 杂志文章
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更新日期：1990-06-01 00:00:00
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更新日期：1984-02-01 00:00:00
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更新日期：1986-01-01 00:00:00
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更新日期：2016-03-01 00:00:00
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更新日期：1995-09-01 00:00:00
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journal_title：Physiology & behavior
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pub_type： 杂志文章
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更新日期：2015-02-01 00:00:00
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更新日期：1984-04-01 00:00:00
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更新日期：1999-01-01 00:00:00
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journal_title：Physiology & behavior
pub_type： 杂志文章
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更新日期：1984-04-01 00:00:00
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journal_title：Physiology & behavior
pub_type： 杂志文章
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更新日期：1987-01-01 00:00:00
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journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/j.physbeh.2017.06.015
更新日期：2017-10-01 00:00:00
