英和和英

語源

From Ancient Greek ἐπιδιδυμίς (epididumís), from ἐπί (epí, “upon, over”) + δίδυμος (dídumos, “twin; testicle”).

発音

• IPA^(key): /ɛpiˈdɪdɪmɪs/

名詞

epididymis (複数形 epididymides または epididymises)

1. (anatomy) A narrow, tightly-coiled tube connecting the efferent ducts from the rear of each testicle to its vas deferens, where sperm are stored during maturation.
   • 2019, Bill Bryson, The Body: A Guide for Occupants, Black Swan (2020), page 332:

     Most men, I daresay, have never heard of their epididymis.

派生語

参考

• epididymis on Wikipedia.