Appendix of the epididymis

The appendix of the epididymis (or pedunculated hydatid) is a small stalked appendage (sometimes duplicated) on the head of the epididymis. It is usually regarded as a detached efferent duct.

Appendix of the epididymis
The right testis, exposed by laying open the tunica vaginalis (appendix of epididymis labeled at center right)
PrecursorWolffian duct
LatinAppendix epididymidis
Anatomical terminology

This structure is derived from the Wolffian duct (Mesonephric Duct) as opposed to the appendix testis which is derived from the Müllerian duct (Paramesonephric Duct) remnant.

See also


This article incorporates text in the public domain from page 1242 of the 20th edition of Gray's Anatomy (1918)

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