vas deferens


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vas deferens:

see reproductive systemreproductive system,
in animals, the anatomical organs concerned with production of offspring. In humans and other mammals the female reproductive system produces the female reproductive cells (the eggs, or ova) and contains an organ in which development of the fetus takes
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; vasectomyvasectomy,
male sterilization by surgical excision of the vas deferens, the thin duct that carries sperm cells from the testicles to the prostate and the penis. Vasectomy is a popular method of birth control: in 1983, figures showed that approximately 10 million men had been
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.

vas deferens

[′vas ′def·ə·rənz]
(anatomy)
The portion of the excretory duct system of the testis which runs from the epididymal duct to the ejaculatory duct. Also known as ductus deferens.

vas deferens

Anatomy the duct that conveys spermatozoa from the epididymis to the urethra
References in periodicals archive ?
In summary, the presence of spermatophores in vas deferens and/or the external morphology of gonad reproductive system (enlarged, milky white, and occupied most of the body cavity) are commonly used as a yardstick to determine physiological maturity in males (Table 1).
Immediate surgical complications of orchidopexy, such as damage to the vas deferens, wound infection, and hematoma, should be rare.
chocolata, sex corroborated by gonadal histological analysis, had prostate gland tissue in the mantle cavity, a pseudopenis and vas deferens at different levels of development.
However, the technology described here still does not solve the problem of how to prevent the vas deferens and spermatic cord from twisting.
However, there is a percentage of patients that have to be rescheduled because, after infiltrating the anaesthetic, they do not tolerate the procedure given that the exploration of the vas deferens and scrotal manipulation are more time consuming, in particular due to their anatomic characteristics.
The CZ, which is considered to be the human counterpart of the mouse AP lobes, is a cone-shaped region that surrounds the vas deferens, and occupies about 25% of the prostate volume.
Sodium arsenite intoxication significantly decreased the testis, vas deferens, epididymis, prostate, and seminal vesicle weights.
Vasectomy is not castration but a surgical cutting and sealing of part of each vas deferens," he explained.
Urologists from around the world present 10 chapters on adrenal, renal, ureter, pelvis, bladder, prostate, urethra, testis, epididymis, vas deferens, seminal vesicles, penis, scrotum, urinary diversion, and pediatric procedures, with information on diagnosis, indications for surgery, alternative therapies, surgical technique, and outcomes.
Private Shaun Stocker, 25, was injured by a Taliban bomb in Afghanistan but medics found sperm in his vas deferens - a tube sited deeper in the body - and froze it.