Ejaculatory duct
The ejaculatory ducts (ductus ejaculatorii) are paired structures in the male reproductive system. Each ejaculatory duct is formed by the union of the vas deferens with the duct of the seminal vesicle. They pass through the prostate, and open into the urethra above the seminal colliculus. During ejaculation, semen passes through the prostate gland, enters the urethra and exits the body via the urinary meatus.
| Ejaculatory duct | |
|---|---|
Male anatomy | |
Vesiculae seminales and ampullæ of ductus deferentes, seen from the front. The anterior walls of the left ampulla, left seminal vesicle, and prostatic urethra have been cut away. | |
| Details | |
| Artery | Inferior vesical artery, Middle rectal artery |
| Identifiers | |
| Latin | ductus ejaculatorius (pl.: ductus ejaculatorii) |
| MeSH | D004543 |
| TA98 | A09.3.07.001 |
| TA2 | 3636 |
| FMA | 19325 |
| Anatomical terminology | |
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