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Ejaculatory duct obstruction is an acquired or congenital pathological condition in which one or both ejaculatory ducts are obstructed. [9] In the case that both ejaculatory ducts are obstructed, this illness presents with the symptoms of aspermia and male infertility. [9] [10]
Ejaculatory duct obstruction (EDO) is a pathological condition which is characterized by the obstruction of one or both ejaculatory ducts. Thus, the efflux of (most constituents of) semen is not possible. It can be congenital or acquired. It is a cause of male infertility and/or pelvic pain.
In the case of structural retrograde ejaculation, pharmacotherapy might not work but surgical procedures can fix the bladder neck problem. [18] The blockage of the ejaculatory duct can be treated via transurethral resection of the ejaculatory duct (TURED) and is indicated for people with low sperm volume. [19]
Balloon dilatation or transurethral ejaculatory duct resection are two treatments for ejaculatory duct obstruction. [27] In one study, tamsulosin-treated patients' symptoms significantly improved after four weeks of treatment. [5] This is also helpful for painful ejaculation following radical prostatectomy. [5]
Retrograde ejaculation; This type of ejaculation happens when there is a defect on prostate, so the sample is not ejaculated outside but to the bladder. So, in that case, what we have to do to obtain the sample is: – Intake bicarbonate, about 25 grams, the night before and the morning of the sample obtaining.
In cartilaginous fish and amphibians, sperm are carried through the archinephric duct, which also partially helps to transport urine from the kidneys. In teleosts , there is a distinct sperm duct, separate from the ureters , and often called the vas deferens, although probably not truly homologous with that in humans. [ 21 ]
The prostate is the only accessory gland that occurs in male dogs. [65] Dogs can produce in one hour as much prostatic fluid as a human can in a day. They excrete this fluid along with their urine to mark their territory. [66] Additionally, dogs are the only species apart from humans seen to have a significant incidence of prostate cancer. [67]
After ejaculation, the latter part of the ejaculated semen coagulates immediately, [12] forming globules, [13] while the earlier part of the ejaculate typically does not. [14] After a period typically ranging from 15 to 30 minutes, prostate-specific antigen present in the semen causes the decoagulation of the seminal coagulum. [ 15 ]