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The epididymis (/ ɛ p ɪ ˈ d ɪ d ɪ m ɪ s /; pl.: epididymides / ɛ p ɪ d ɪ ˈ d ɪ m ə d iː z / or / ɛ p ɪ ˈ d ɪ d ə m ɪ d iː z /) is an elongated tubular genital organ attached to the posterior side of each one of the two male reproductive glands, the testicles.
Epididymitis is a medical condition characterized by inflammation of the epididymis, a curved structure at the back of the testicle. [1] Onset of pain is typically over a day or two. [1]
Given their mesothelial origin, the cells lining the spaces are positive for cytokeratins, WT1, D2-40, and calretinin.They are negative for MOC31, BerEP4, and vascular markers (CD31 or CD34).
1: Epididymis 2: Head of epididymis 3: Lobules of epididymis 4: Body of epididymis 5: Tail of epididymis 6: Duct of epididymis 7: Deferent duct (ductus deferens or vas deferens)
Sperm granulomas appear as hard and firm nodules that do not exceed 1 cm in size. Sperm granulomas form in 20-50% of vasectomy procedures. [6] An injury to the epididymal epithelium is caused by penetration of germ cells into the epididymal supportive tissue.
The human vas deferens measures 30–35 cm in length, and 2–3 mm in diameter. [3]: 1297 It is continuous proximally with the tail of the epididymis, [3]: 1296 and exhibits a tortuous, convoluted initial/proximal section (which measures 2–3 cm in length).
Post-vasectomy pain syndrome (PVPS) is a chronic and sometimes debilitating genital pain condition that may develop immediately or several years after vasectomy. [1] [2] [3] Because this condition is a syndrome, there is no single treatment method, therefore efforts focus on mitigating/relieving the individual patient's specific pain.
The spermatic cord is the cord-like structure in males formed by the vas deferens (ductus deferens) and surrounding tissue that runs from the deep inguinal ring down to each testicle.