Sagittal section of the male bladder and genitalia. | The corpus cavernosum is erectile tissue composed of a series of blood sinus chambers | The corpus spongiosum is found surrounding the urethra and in the glans penis |  penile urethra |  scrotum | The tunica vaginalis is located beneath the scrotal skin | The stringy fibers of the cremaster muscle raise the testicle to the body cavity for warmth. | The spermatic cord contains the vas deferens, pampiniform plexus, and gonadal artery | pubic symphysis | The prostate gland produces a sperm-activating semen. |  prostatic urethra | urinary bladder | opening of ureter | The external urethral sphincter is part of the skeletal muscle of the urogenital diaphragm | The Cowper's (bulbourethral) gland secretes a small amount of fluid prior to ejaculation | https://www.penetric.com/penis-pumps/