Ejaculatory duct

The ejaculatory duct is a short duct that conveys sperm and seminal vesicle secretions into the prostatic urethra during ejaculation.

ANATOMY:

The ejaculatory duct is formed by the union of the ampulla of the ductus deferens and the seminal vesicle. It penetrates through the prostate gland and empties into the prostatic urethra.

Figure 1: A labeled illustration of a proximal view of the ejaculatory duct with a close up view on the right.

PHYSIOLOGY:

The right and left ejaculatory ducts convey sperm and secretions from the seminal vesicles into the prostatic urethra. It is at this point that sperm and secretions formed on both the right and left are combined into a single location.

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