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 ?
Towards the vasa deferentia and shortly before the testes open into the vas deferens, the epithelium flattens and no spermatozoa can be observed in the tissue.
The sperm cells show no tendency to form well ordered piles or globules either in the lumina of the testes or in the vasa deferentia.
The innervated musculature of the vasa deferentia is certainly involved in the transport of the sperm towards the genital opening and perhaps in releasing the sperm fluid.
Sperm were present in 74/75 (99%) of the vasa deferentia examined: March 8/9, April 27/27, May 21/21, June 3/3, July 4/4, August 4/4, September 3/3, October 4/4.
Vasa deferentia of 45/45 (100%) of the following H.
torquata testicular cycle, Diller & Wallace (1986) reported sperm in the vasa deferentia of Idaho males from April to September (similar to Arizona).
Whether the sperm used in these matings was produced in the spring or the fall and stored over winter in the vasa deferentia is not known.
Because some of the specimens were road kills, not all vasa deferentia were available for histological examination due to damage.
It had regressed testes but sperm was present in the vasa deferentia.
Sperm were present in the vasa deferentia during all months (March-November) indicating T.