The Detrosor Muscle of the Urinary Bladder. The Detrusor Muscle is a layer of the Urinary Bladder wall which is itself made up by three layers. The Detrusor Muscle is smooth muscle fibers arranged in spiral and circuar bundles.
Prev Next. 1  Prostate cancer and blue balls, generally occur when an adult male does not ejaculate and in order to have a healthy sex life, a male must ejaculate. 2  Health Benefits of Male EjaculationProstate cancer:Frequent ejaculation lowers the risk of prostate cancer and protects the prostate gland.
Is that a problem? I have discovered lately that during sex I ejaculate a very small amount of semen. I am 54 years old and I remember ejaculating a lot of semen when I was in my 20's. No-a-days (very rare though) sometimes when I ejaculate, there is hardly any semen but I still get the feeling of ejaculation.