epididymis

[ ep-i-did-uh-mis ]
/ ˌɛp ɪˈdɪd ə mɪs /

noun, plural ep·i·di·dym·i·des [ep-i-di-dim-i-deez, -did-uh-mi-] /ˌɛp ɪ dɪˈdɪm ɪˌdiz, -ˈdɪd ə mɪ-/. Anatomy.

an elongated organ on the posterior surface of a testis that stores sperm while they mature and constitutes the convoluted beginning of the vas deferens.
See also vas efferens.

Origin of epididymis

1600–10; < Greek epididymís; see epi-, didymous

OTHER WORDS FROM epididymis

ep·i·did·y·mal, adjective

Words nearby epididymis

epidermolysis bullosa, epidermophyton, epidermotropism, epidiascope, epididymectomy, epididymis, epididymitis, epididymo-orchitis, epididymoplasty, epididymotomy, epididymovasectomy

British Dictionary definitions for epididymides

epididymis
/ (ˌɛpɪˈdɪdɪmɪs) /

noun plural -didymides (-dɪˈdɪmɪˌdiːz)

anatomy a convoluted tube situated along the posterior margin of each testis, in which spermatozoa are stored and conveyed to the vas deferens

Derived forms of epididymis

epididymal, adjective

Word Origin for epididymis

C17: from Greek epididumis, from epi- + didumos twin, testicle; see didymous

Medical definitions for epididymides

epididymis
[ ĕp′ĭ-dĭd′ə-mĭs ]

n. pl. ep•i•did•y•mi•des (-mĭ-dēz′)

A long, narrow, convoluted tube in the spermatic duct system that lies on the posterior aspect of each testicle and connects with the vas deferens.