the dilation of the ductus deferens where it approaches its contralateral partner just before it is joined by the duct of the seminal vesicle. Syn: ampulla ductus deferentis [NA], Henle’s ampulla.
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the dilation of the ductus deferens where it approaches its contralateral partner just before it is joined by the duct of the seminal vesicle. Syn: ampulla ductus deferentis [NA], Henle’s ampulla.