epididymides

epididymis

[ep-i-did-uh-mis]
noun, plural epididymides [ep-i-di-dim-i-deez, -did-uh-mi-] . 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:
1600–10; < Greek epididymís; see epi-, didymous

epididymal, adjective
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World English Dictionary
epididymis (ˌɛpɪˈdɪdɪmɪs)
 
n , pl -didymides
anatomy a convoluted tube situated along the posterior margin of each testis, in which spermatozoa are stored and conveyed to the vas deferens
 
[C17: from Greek epididumis, from epi- + didumos twin, testicle; see didymous]
 
epi'didymal
 
adj

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Etymonline
Word Origin & History

epididymis
1610, "fleshy mass at the back of the testicles" (jocularly called a taint), Mod.L., lit. "that which is on the testicles," from Gk. epididymis, a word probably coined by Gk. anatomist Herophilus (c.300 B.C.E.) from epi "on" + didymos "testicle," lit. "double, twofold" (adj.). "To save his Epididamies"
[1652].
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

epididymis ep·i·did·y·mis (ěp'ĭ-dĭd'ə-mĭs)
n. pl. ep·i·di·dy·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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