Each of a pair of glands that open into the vas deferens near its junction with the urethra and secrete many of the components of semen.
- ‘This surgery for bladder cancer involves removing the bladder, prostate, upper urethra and seminal vesicles.’
- ‘The ejaculatory ducts from the seminal vesicles enter the prostate and continue to the prostatic portion of the urethra.’
- ‘The most common technique is a ‘radical prostatectomy’, which involves removing the prostate gland, seminal vesicles and nearby lymph nodes.’
- ‘These are moved up a tube called the vas deferens to a place called the ampulla where they are mixed with fluids from two membranous pouches called seminal vesicles and the prostate gland.’
- ‘There are also other sex glands called the seminal vesicles, two pouches attached to the back of the bladder.’