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ap·pen·dix of ep·i·did·y·mi·dis[TA]
a small pedunculated body often attached to the head of the epididymis that is a vestige of the embryonic mesonephric duct.
See epididymal appendix.
A cystic structure attached to the epididymis, It is a vestigial remnant of the mesonephric duct.
See also: appendix