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Copulatory Behaviour - Anatomy & Physiology (view source)
Revision as of 13:06, 13 August 2009
, 13:06, 13 August 2009→Ejaculation
* Once intromission has been achieved, reflex impulses are initiated.
* Once intromission has been achieved, reflex impulses are initiated.
** Neural impulses derived mainly from sensory nerves in the '''glans penis'''.
** Neural impulses derived mainly from sensory nerves in the '''glans penis'''.
* Upon threshold stimulation, impulses are transmitted from the glans peinis by the '''internal pudendal nerve''' to the lumbosacral region of the spinal cord.
* Upon threshold stimulation, impulses are transmitted from the glans penis by the '''internal pudendal nerve''' to the lumbosacral region of the spinal cord.
* Sensory impulses result in firing of nerves in the '''spinal cord'''.
* Sensory impulses result in firing of nerves in the '''spinal cord'''.
* Forcing of semen into the '''urethra''' by nerves in the '''hypogastric plexus''' innervating target muscles.
* Forcing of semen into the '''urethra''' by nerves in the '''hypogastric plexus''' innervating target muscles.