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Ampulla of Ductus Deferens
Urogenital System

Ampulla of Ductus Deferens

Ampulla ductus deferentis

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Key Features/ Anatomical Relations

The ampulla of ductus deferens is located posterior to the fundus of the bladder and medial to the seminal vesicle.


The ampulla of the ductus deferens joins the duct of the seminal vesicle to form the ejaculatory duct, which enters the prostatic urethra.

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Vas Deferens

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The vas deferens (or ductus deferens) is a 45-cm (18-in) long tube that ascends on the posterior border of each testis, penetrates the body wall through the inguinal canal, and enters the pelvic cavity.

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