Answer:
seminal vesicles
Step-by-step explanation:
The seminal vesicles, also known under the name of seminal glands, are the structures responsible for the production of approximately half the volume of seminal fluid in men. These consist of a tube folded and rolled on itself.
Anatomically, it is located in a region called pelvic excavation. This is located behind the urinary bladder and in front of the rectum. It attaches to the prostate through the lower end.
The ejaculatory duct is formed by the excretory duct of the seminal vesicle and the vas deferens. Both converge in the urethra. It is a single male organ and there is no equivalent or homologous structure in females.