ejaculatory duct


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Related to ejaculatory duct: prostate gland, Ejaculatory dysfunction

ejaculatory duct

[i′jak·yə·lə‚tȯr·ē ′dəkt]
(anatomy)
The terminal part of the ductus deferens after junction with the duct of a seminal vesicle, embedded in the prostate gland and opening into the urethra.
References in periodicals archive ?
Embolus: The E is simply "the organ through which the ejaculatory duct opens" (Comstock 1910, p.
Normal human ejaculatory duct anatomy: a study of cadaveric and surgical specimens.
Sharp dissection of the bladder from seminal vesicles, ejaculatory ducts and deferential ampullae is performed.
SCD = silastic seminal collection device; RE = retrograde ejaculation; EDO = ejaculatory duct obstruction; CBAVD = Congenital unilateral absence of the vas deferens; CBAVD = congenital bilateral absence of the vas deferens; CF = cystic fibrosis; ED = erectile dysfunction.
Men with an ejaculatory duct obstruction may be candidates for a TUR ejaculatory duct.
The tip of the embolus with the ejaculatory duct opening is inserted into the hole of the bursa copulatrix wall that leads into the copulatory duct (Fig.
3), (4) Symptomatic SVCs usually occur in the second to fourth decades of life, as the result of accumulated seminal fluid in the seminal vesicle caused by a blocked ejaculatory duct.
Males may alter the velocity of sperm they allocate to copulations by strategically firing their left and right ejaculatory ducts, which can operate independently," they say.
In order for ejaculation to occur, sperm must be transported from where it is made in each testicle to the neighbouring epididymii, along the long vas deferens, into the seminal vesicles, ejaculatory ducts and into the prostatic urethra (a neurological event called the emission phase of the ejaculation reflex).
It contains a central blind ending opening, the prostatic utricle, and the two lateral openings of the ejaculatory ducts.
The involvement of testis frequently occurs as a result of direct spread through ejaculatory ducts involving the prostate.
Why can't the fluid secreted by the prostate during ejaculation simply be added to the sperm through ejaculatory ducts as it passes by the prostate, rather than through it, like vehicles entering the freeway from an on-ramp?