anejaculation

Anejaculation is the pathological inability to ejaculate despite an erection in males, with (orgasmic) or without (anorgasmic) orgasm.

==Causes== {|class="wikitable" align="right" |+ The following table shows the frequency of ability to ejaculate by type of spinal cord injury and stimulation method. |- ! !! Masturbation or coitus !! Penile vibratory stimulation !! AchE inhibitor |- ! Complete spinal cord injury | 12% || 47% || 55% |- ! Incomplete spinal cord injury | 33% || 53% || 78% |- ! Complete lesion of the sympathetic centres (T12 to L2) | || None || 5% |- ! Complete lesion of the parasympathetic and somatic centres (S2 – S4) | || None || 31% |- ! Complete lesion of all spinal ejaculation centres (T12 to S5) | || None || 0% |- ! Complete lesion strictly above Onuf's nucleus (S2 – S4) | || 98% || 98% |- ! Complete lesion of the S2 – S4 segments | || none || none |}