Word Study
epididymis
CIDE DICTIONARY
epididymis, n. [NL., fr. Gr. ; 'epi` upon + testicle.].
An oblong vermiform mass on the dorsal side of the testicle, composed of numerous convolutions of the excretory duct of that organ. [1913 Webster]
OXFORD DICTIONARY
epididymis, n. (pl. epididymides) Anat. a convoluted duct behind the testis, along which sperm passes to the vas deferens.
Etymology
Gk epididumis (as EPI-, didumoi testicles)
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