A small body sometimes attached to the front of the lower part of the spermatic cord above the head of the epididymis; the remnants of tubules of the mesonephros. Its equivalent in the female is the paroöphoron. SYN: parepididymis. [para- + G. didymos, twin, in pl. didymoi, testes]
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para·did·y·mis -'did-ə-məs n, pl -y·mi·des -ə-mə-.dēz a group of coiled tubules situated in front of the lower end of the spermatic cord above the enlarged upper extremity of the epididymis and considered to be a remnant of tubes of the mesonephros
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n.
the vestigial remains of part of the embryonic mesonephros that are found near the testis of the adult. Some of the mesonephric collecting tubules persist as the functional vasa efferentia but the rest degenerate almost completely. A similar vestigial structure (the paroophoron) is found in females.
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para·did·y·mis (par″ə-didґĭ-mis) [para- + Gr. didymos testis] [TA] a body made up of a few convoluted tubules in the anterior part of the spermatic cord, considered to be a remnant of the mesonephros; called also organ of Giraldйs, parepididymis, and massa innominata.Medical dictionary. 2011.