epididymis [ep-i- did- uh-mis] Word Origin 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. Origin of epididymis 1600–10;
didymous Related forms ep·i·did·y·mal, adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for epididymides 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 epididymal, adjective Word Origin for epididymis
C17: from Greek
epididumis, from epi- + didumos twin, testicle; see didymous
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for epididymides n.
c.1600, "fleshy mass at the back of the testicles," Modern Latin, literally "that which is on the testicles," from Greek
epididymis, a word probably coined by Greek anatomist Herophilus (c.300 B.C.E.) from epi "on" (see epi-) + didymos "testicle," literally "double, twofold" (adj.). "To save his Epididamies" [Richard Brome, "The Court Beggar," 1652].
Online Etymology Dictionary, © 2010 Douglas Harper
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.
The American Heritage® Stedman's Medical Dictionary
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